Earth may be crashing through dark matter walls

Earth is constantly crashing through huge walls of dark matter, and we already have the tools to detect them. That's the conclusion of physicists who say the universe may be filled with a patchwork quilt of force fields created shortly after the big bang.

Observations of how mass clumps in space suggest that about 86 per cent of all matter is invisible dark matter, which interacts with ordinary matter mainly through gravity. The most popular theory is that dark matter is made of weakly interacting massive particles.

WIMPs should also interact with ordinary matter via the weak nuclear force, and their presence should have slight but measurable effects. However, years of searches for WIMPs have been coming up empty.

"So far nothing is found, and I feel like it's time to broaden the scope of our search," says Maxim Pospelov of the University of Victoria in Canada. "What we propose is to look for some other signatures."

Bubbly cosmos

Pospelov and colleagues have been examining a theory that at least some of the universe's dark matter is tied up in structures called domain walls, akin to the boundaries between tightly packed bubbles. The idea is that the hot early universe was full of an exotic force field that varied randomly. As the universe expanded and cooled, the field froze, leaving a patchwork of domains, each with its own distinct value for the field.

Having different fields sit next to each other requires energy to be stored within the domain walls. Mass and energy are interchangeable, so on a large scale a network of domain walls can look like concentrations of mass – that is, like dark matter, says Pospelov.

If the grid of domain walls is packed tightly enough – say, if the width of the domains is several hundred times the distance between Earth and the sun – Earth should pass through a domain wall once every few years. "As a human, you wouldn't feel a thing," says Pospelov. "You will go through the wall without noticing." But magnetometers – devices that, as the name suggests, measure magnetic fields – could detect the walls, say Pospelov and colleagues in a new study. Although the field inside a domain would not affect a magnetometer, the device would sense the change when Earth passes through a domain wall.

Dark matter walls have not been detected yet because anyone using a single magnetometer would find the readings swamped by noise, Pospelov says. "You'd never be able to say if it's because the Earth went through a bizarre magnetic field or if a grad student dropped their iPhone or something," he says.

Network needed

Finding the walls will require a network of at least five detectors spread around the world, Pospelov suggests. Colleagues in Poland and California have already built one magnetometer each and have shown that they are sensitive enough for the scheme to work.

Domain walls wouldn't account for all the dark matter in the universe, but they could explain why finding particles of the stuff has been such a challenge, says Pospelov.

If domain walls are found, the news might come as a relief to physicists still waiting for WIMPs to show up. Earlier this month, for instance, a team working with a detector in Russia that has been running for more than 24 years announced that they have yet to see any sign of these dark matter candidates.

Douglas Finkbeiner of the Harvard-Smithsonian Center for Astrophysics, who was not involved in Pospelov's study, isn't yet convinced that dark matter walls exist. But he is glad that physicists are keeping an open mind about alternatives to WIMPs.

"We've looked for WIMP dark matter in so many ways," he says. "At some point you have to ask, are we totally on the wrong track?"

Journal reference: Physical Review Letters, DOI: 10.1103/PhysRevLett.110.021803

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Football: Pogba at double for Juve as Palermo hold Lazio

MILAN: French teenager Paul Pogba scored a sensational brace to inspire depleted Juventus to a 4-0 rout of Udinese which helped the Serie A champions extend their lead over Lazio on Saturday.

Juve started their 21st match of the campaign with a three-point lead on both Napoli and Lazio but missing key midfielders Andrea Pirlo, Claudio Marchisio and Arturo Vidal due to recent injuries.

After Lazio had to settle for a share of the points in a 2-2 draw at strugglers Palermo, Juve took full advantage.

The champions now have a five-point lead over Lazio, who sit second on 43 points, and will be hoping Napoli, third on 42, find similar trouble Sunday in their away game against Fiorentina.

Pogba, signed in the off-season on a free transfer from Manchester United, had already scored two sensational goals earlier this season.

And the 19-year-old broke the deadlock near the end of a frustrating first half for the hosts by unleashing a 30-metre screamer which hit the crossbar before beating Daniele Padelli in the Udinese goal.

Juventus were struggling to build on their lead in the early stages of the second half when Udinese were unlucky not to score on the counter.

But again Pogba came to the rescue, this time with a long-range daisy-cutter which slotted into Padelli's bottom corner to give Juve a 2-0 lead.

Six minutes later Juve striker Mirko Vucinic made it 3-0 when Padelli parried the Montenegrin's close-range effort over his own body and into the net.

Udinese threatened through top striker Antonio Di Natale, who saw a snapshot shave the top of the crossbar.

However the former Italy striker appeared to be showing the effects of recent flu-like symptoms, which meant he only appeared early in the second half.

With 10 minutes to play, second half substitute Alessandro Matri made it 4-0 for the hosts when he latched on to a Vucinic through ball to nutmeg Padelli.

Despite missing Miroslav Klose, Abdoullay Konko and Ederson, Lazio had hoped to secure a win that would have kept them three points behind Antonio Conte's league leaders.

But after Vladimir Petkovic's side were stunned by two goals in less than two minutes the visitors were forced to launch a late fighback to grab a share of the points

Sergio Floccari gave Lazio a 10th minute lead when he headed Cristian Ledesma's cross over the static Samir Ujkani in the Palermo goal, only for Arevalo Rios (70) and Paulo Dybala (71) to give the hosts a shock lead.

It took a penalty from Brazilian Hernanes, after Floccari had been fouled in the box, for Lazio to draw level with six minutes left to play.

- AFP/de

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Microsoft blazes trail to next PC

Microsoft Surface Pro: the design isn't perfect, but the fact that it can function as a standalone tablet and is thin and light puts it ahead of the convertible-laptop pack.

(Credit:
CNET)

PC makers take note. Microsoft is pioneering the next PC.

Here are two simple reasons why the Surface Pro makes a good case as the template for the new PC. One, Microsoft realized that the device's electronics should go behind the glass, not under the keyboard. Two, the device uses a real processor.

Let's address the electronics first. Most of the newfangled laptops I saw at
CES were convertibles. That is, the displays are not detachable because the core electronics are under the keyboard, just like your father's laptop.

And most of them were unimpressive. The mechanics necessary to flip and/or slide the screen and convert the laptop to
tablet mode were more often than not kludgy and some seemed destined for mechanical problems down the pike.

And the more problematic designs weren't thin or light, either. At least not when compared with popular tablets like Apple's
iPad or Google's Nexus.

One of the few exceptions -- as I noted before -- was the HP EliteBook Revolve. That 11.6-inch design was about as well conceived as a convertible can be.

But there's a reason for that: HP has been building Windows convertibles for ages. The EliteBook 2700 series has been around since the dawn of Windows XP. So, HP has this down to a science.

But, again, that's a rare exception at present. The future leans more toward a PC with the electronics behind the glass. And there's no better example right now than the Surface Pro.

Microsoft was bold enough to go with a mainstream third-generation Core Intel "Ivy Bridge" chip, not the slower Atom processor that most Windows 8 tablet and detachable makers have opted for.

Yeah, the battery life won't be great, but Microsoft, I think, knew (rightly so) that it would be crucified if it opted for the performance-challenged Atom chip, which isn't up to the task of running serious desktop applications on Windows 8.

Remember the netbook? That's one way to look at the first crop of Atom-based Windows 8 tablets: a netbook in tablet clothing. Microsoft didn't want to go there.

And give Lenovo some credit too. It showed off the ThinkPad Helix detachable at CES that separates from the base to become a full-fledged Ivy Bridge-based tablet, not unlike the Microsoft Surface Pro.

And Intel, I think, in its heart of hearts knows Atom isn't really up to the task. Thus, the revelation at CES of the most power-efficient Ivy Bridge yet. One of Intel's goals is to get these new Ivy Bridge chips -- as well as upcoming "Haswell" chips -- behind the glass, as Intel's Adam King told me at CES.

So, I would expect to see an increasing number of Windows 8 tablets and/or detachables sporting Intel's mainstream Haswell Core processors later this year.

And battery life will improve with Haswell. I would be fine with a Windows 8 tablet packing a real Intel chip that gets six hours of battery life. And a Haswell-based Surface tablet should meet or exceed this.

Sony Vaio Duo 11 convertible: The apparatus to support the display in tablet mode isn't exactly elegant.

(Credit:
CNET)

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Attack at Algeria Gas Plant Heralds New Risks for Energy Development

The siege by Islamic militants at a remote Sahara desert natural gas plant in Algeria this week signaled heightened dangers in the region for international oil companies, at a time when they have been expanding operations in Africa as one of the world's last energy frontiers. (See related story: "Pictures: Four New Offshore Drilling Frontiers.")

As BP, Norway's Statoil, Italy's Eni, and other companies evacuated personnel from Algeria, it was not immediately clear how widely the peril would spread in the wake of the hostage-taking at the sprawling In Amenas gas complex near the Libyan border.

Map by National Geographic

Algeria, the fourth-largest crude oil producer on the continent and a major exporter of natural gas and refined fuels, may not have been viewed as the most hospitable climate for foreign energy companies, but that was due to unfavorable financial terms, bureaucracy, and corruption. The energy facilities themselves appeared to be safe, with multiple layers of security provided both by the companies and by government forces, several experts said. (See related photos: "Oil States: Are They Stable? Why It Matters.")

"It is particularly striking not only because it hasn't happened before, but because it happened in Algeria, one of the stronger states in the region," says Hanan Amin-Salem, a senior manager at the industry consulting firm PFC Energy, who specializes in country risk. She noted that in the long civil war that gripped the country throughout the 1990s, there had never been an attack on Algeria's energy complex. But now, hazard has spread from weak surrounding states, as the assault on In Amenas was carried out in an apparent retaliation for a move by French forces against the Islamists who had taken over Timbuktu and other towns in neighboring Mali. (See related story: "Timbuktu Falls.")

"What you're really seeing is an intensification of the fundamental problem of weak states, and empowerment of heavily armed groups that are really well motivated and want to pursue a set of aims," said Amin-Salem. In PFC Energy's view, she says, risk has increased in Mauritania, Chad, and Niger—indeed, throughout Sahel, the belt that bisects North Africa, separating the Sahara in the north from the tropical forests further south.

On Thursday, the London-based corporate consulting firm Exclusive Analysis, which was recently acquired by the global consultancy IHS, sent an alert to clients warning that oil and gas facilities near the Libyan and Mauritanian borders and in Mauritania's Hodh Ech Chargui province were at "high risk" of attack by jihadis.

"A Hot Place to Drill"

The attack at In Amenas comes at a time of unprecedented growth for the oil industry in Africa. (See related gallery: "Pictures: The Year's Most Overlooked Energy Stories.") Forecasters expect that oil output throughout Africa will double by 2025, says Amy Myers Jaffe, executive director of the energy and sustainability program at the University of California, Davis, who has counted 20 rounds of bidding for new exploration at sites in Africa's six largest oil-producing states.

Oil and natural gas are a large part of the Algerian economy, accounting for 60 percent of government budget revenues, more than a third of GDP and more than 97 percent of its export earnings. But the nation's resources are seen as largely undeveloped, and Algeria has tried to attract new investment. Over the past year, the government has sought to reform the law to boost foreign companies' interests in their investments, although those efforts have foundered.

Technology has been one of the factors driving the opening up of Africa to deeper energy exploration. Offshore and deepwater drilling success in the Gulf of Mexico and Brazil led to prospecting now under way offshore in Ghana, Mozambique, and elsewhere. (See related story: "New Oil—And a Huge Challenge—for Ghana.") Jaffe says the Houston-based company Anadarko Petroleum has sought to transfer its success in "subsalt seismic" exploration technology, surveying reserves hidden beneath the hard salt layer at the bottom of the sea, to the equally challenging seismic exploration beneath the sands of the Sahara in Algeria, where it now has three oil and gas operations.

Africa also is seen as one of the few remaining oil-rich regions of the world where foreign oil companies can obtain production-sharing agreements with governments, contracts that allow them a share of the revenue from the barrels they produce, instead of more limited service contracts for work performed.

"You now have the technology to tap the resources more effectively, and the fiscal terms are going to be more attractive than elsewhere—you put these things together and it's been a hot place to drill," says Jaffe, who doesn't see the energy industry's interest in Africa waning, despite the increased terrorism risk. "What I think will happen in some of these countries is that the companies are going to reveal new securities systems and procedures they have to keep workers safe," she says. "I don't think they will abandon these countries."

This story is part of a special series that explores energy issues. For more, visit The Great Energy Challenge.

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Ex-Teammate: Armstrong Showed 'Genuine Emotion'

While critics railed against Lance Armstrong for coming off as detached in the two-part interview with Oprah Winfrey that aired Thursday and Friday nights, former teammate and friend, Tyler Hamilton, told "Good Morning America" today that he felt Armstrong was displaying "genuine emotion."

"I've never seen Lance shed a tear until last night. Before I even heard one word from him Thursday night, I could tell he was a broken man," Hamilton said.

Armstrong's contrition turned tearful Friday when he revealed to Oprah Winfrey how difficult it was to betray his family -- particularly his 13 year old son -- who stood up for the fallen cycling star as rumors swirled that he was taking banned drugs.

Armstrong, 41, choked up when he recounted what he told his son, Luke, in the wake of the scandal.

"When this all really started, I saw my son defending me and saying that's not true…" Armstrong told Winfrey, "I told Luke. I said, 'Don't defend me anymore.'"

Armstrong's interview with Winfrey drew millions of viewers.

It was the first time Armstrong admitted using performance-enhancing drugs and oxygen-boosting blood transfusions to help him win the Tour de France.

"I view this situation as one big lie that I repeated a lot of times," Armstrong said. "I know the truth. The truth isn't what was out there. The truth isn't what I said.

George Burns/Courtesy of Harpo Studios, Inc./AP Photo

Lance Armstrong Confession: 'I Could Not Believe Lance Apologized' Watch Video

Lance Armstrong-Winfrey Interview: How Honest Was He? Watch Video

Lance Armstrong-Winfrey Interview: Doping Confession Watch Video

"I'm a flawed character, as I well know," Armstrong added. "All the fault and all the blame here falls on me."

However, Hamilton said any hope for Armstrong's redemption would come if he came clean about others who were part of the doping scandal.

"The question now is where he goes from this, his actions moving forward. He needs to name names," Hamilton said.

READ MORE: Armstrong Admits to Doping

Armstrong was stripped of his seven Tour de France titles in October 2012, after a report by the U.S. Anti-Doping Agency found that he and 11 of his teammates orchestrated "the most sophisticated, professionalized and successful doping program that sport has ever seen."

Despite the admissions of his teammates that they had doped with Armstrong and seen him complete blood transfusions for races, Armstrong condemned the report and denied that he had ever cheated.

As sponsors including Nike began to pull support of Armstrong following the report, Armstrong's carefully-built image began to crumble. He stepped down from Livestrong, the charity he started to help cancer patients after he survived testicular cancer.

"It was a mythic perfect story and it wasn't true," Armstrong said of his fairytale story of overcoming testicular cancer to become the most celebrated cyclist in history.

In the interview, Armstrong explained his competition "cocktail" of EPO, blood transfusions and testosterone that he used throughout his career. He also said he had previously used cortisone.

Armstrong refused to give Winfrey the details of when, where and with whom he doped during seven winning Tours de France between 1999 and 2005, which was the last year he said he doped. Armstrong specifically denied using banned substances when he placed third in 2009 and entered the tour again in 2010.

Investigators familiar with Armstrong's case, however, told ABC News that Armstrong did not come completely clean to Winfrey, and say they believe he doped in 2009.

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High-tech Dreamliner's wings clipped by battery trouble

WHEN it went into service a little over a year ago, Boeing's 787 Dreamliner was hailed as a miracle of cutting-edge innovation – the Chicago-based company used lithium-ion batteries, a carbon-fibre fuselage, and blazing fast computer networks to cut down on fuel consumption and provide passengers with a ride like no other.

But following a series of mostly electrical mishaps - including a battery fire aboard a 787 at Boston's Logan International Airport last week - the current global fleet of 50 planes now sits idle. The US National Transportation Safety Board has launched an investigation into the plane's electrical systems. And the US Federal Aviation Administration, which declared the plane airworthy in 2011, is questioning their own certification process.

The plane's lithium-ion batteries, which also appear to have acted up and forced an All Nippon Airways 787 to make an emergency landing at Takamatsu airport in western Japan this week, store twice the power of nickel-cadmium cells, making them much lighter. However, they are a known fire risk under some operating conditions.

No-one yet knows if the batteries themselves - built by GS Yuasa of Japan and packaged by Thales of France - were at fault, or if there's an issue with the wiring, or electronics, they plug into.

Long-standing concern

The FAA's concern over the batteries goes back as far as 2007, when it warned Boeing that the company could only use lithium-ion batteries if its battery charging, management and failure alarm systems can cope with their unique risks. Li-ion batteries, the FAA said, are susceptible to self-sustaining increases in temperature and pressure if they are overcharged "which leads to formation of highly unstable metallic lithium which can ignite, resulting in a self-sustaining fire or explosion."

Because the Boston battery fire is under investigation by the NTSB, Boeing spokeswoman Lori Gunter cannot yet comment on what happened. But she says the 787 is built to cope with any problem the batteries throw at it. "It is designed to be able to handle any faults that we would expect to see from the battery," she told New Scientist.

Boeing's rival, Airbus of Toulouse, France, uses smaller lithium batteries in its A380 jet to power emergency lighting, but plans to increase its reliance on the batteries in the forthcoming A350. "Lithium ion batteries can be designed in very different ways, with different chemistries, electronic protections, capacities and number of cells," says an Airbus spokesman. "The way a battery is integrated in the aircraft is important, as well as the protections that are put in place."

Better sensors

Smart in-battery sensors could be an answer, say Gi-Heon Kim and colleagues at the National Renewable Energy Center in Golden, Colorado. They are developing a "fail-safe" Li-ion battery that incorporates a passive early warning system (Journal of Power Sources, DOI: 10.1016/j.jpowsour.2012.03.015) that senses the structural defects in a Li-ion battery cell that can lead to the thermal runaway that leads to fires. When it does so, it isolates the cell from the battery long before trouble occurs. Better still, says Kim, "this technology is independent of battery chemistry and cell design" - so could apply to the Li-ion cells used in phones, electric cars and aviation.

The outcome of the investigations into the battery issues will also resonate off-planet, as the International Space Station is about to have its power sources upgraded to more powerful Li-ion cells from GS Yuasa. "NASA is in close communication with Boeing, the FAA, and the cell manufacturer on the ongoing failure analysis, and will apply any relevant lessons learned as appropriate," a NASA spokesman told New Scientist.

If you would like to reuse any content from New Scientist, either in print or online, please contact the syndication department first for permission. New Scientist does not own rights to photos, but there are a variety of licensing options available for use of articles and graphics we own the copyright to.

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Football: Schalke edge nine-goal thriller

BERLIN: Schalke celebrated the resumption of the Bundesliga with a 5-4 win over Hanover on Friday, their first league triumph since November 10.

Schalke moved provisionally into fifth place in the table ahead of the rest of the weekend programme which will see Bayern Munich looking to boost their lead at the top when they face rock-bottom Greuther Fuerth.

Jefferson Farfan gave Schalke the lead just before the interval while eight further goals followed in the second half.

Julian Draxler made it 2-0 four minutes after the break before Sergio Pinto and Szabolcs Huszti drew Hanover level.

Marco Hoger and Cipiran Marica soon restored Schalke's two-goal lead.

Huszti reduced the deficit to 4-3 before Tottenham-bound Lewis Holtby grabbed Schalke's fifth, two minutes from the end.

Mame Diouf completed the scoring in stoppage time for Hanover.

- AFP/de

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Larry Lessig blasts Swartz prosecutor's defense in Swartz case

Larry Lessig

(Credit:
G)

Earlier this week Carmen Ortiz, the U.S. Attorney for Massachusetts handling the Swartz case, defended her office's handling of the criminal case against Aaron Swartz before the Internet activist's suicide.

Legal scholar and internet activist Lawrence Lessig is having none of it.

In an emotional post on his personal blog titled A time for silence, Lessig slammed Ortiz's statement to the press, criticizing the prosecution of Swartz for helping "in part at least" to drive "this boy to his death."

Ortiz's statement is a template for all that is awful in what we as a political culture have become. And it pushes me -- me, the most conventional, wanting-to-believe-in-all-things-patriotic, former teenage Republican from the home of Little League baseball -- to a place far more radical than I ever want to be.

...

You're so keen to prove that you understand this case better than your press releases about Aaron's "crime" (those issued when Aaron still drew breath) made it seem ("the prosecutors recognized that there was no evidence against Mr. Swartz indicating that he committed his acts for personal financial gain"). But if your prosecutors recognized this, then this is the question to answer:

Why was he being charged with 13 felonies?

His motive was political -- obviously. His harm was exactly none -- as JSTOR effectively acknowledged. But he deserved, your "career prosecutors" believed, to be deprived of his rights as a citizen (aka, a "felon," no longer entitled to the political rights he fought to perfect) because of what he did.

Yet here's the thing to remember on MLK weekend (even though my saying this violates a rule I believe in firmly, a kind of inverse to Godwin's law, because though I believe these two great souls were motivated by exactly the same kind of justice, King's cause was greater): How many felonies was Martin Luther King, Jr., convicted of? King, whose motives were political too, but who, unlike Aaron, triggered actions which caused real harm. What's that number?

Zero.

And how many was he even charged with in the whole of his career?

Two. Two bogus charges (perjury and tax evasion) from Alabama, which an all-white jury acquitted him of.

This is a measure of who we have become. And we don't even notice it. We can't even see the extremism that we have allowed to creep into our law. And we treat as decent a government official who invokes her family while defending behavior which in part at least drove this boy to his death.

I still dream. It is something that Darrell Issa and Zoe Lofgren are thinking along the same lines. On this anniversary of the success of the campaign to stop SOPA -- a campaign which Aaron helped architect -- maybe I'm right to be hopeful that even this Congress might do something. We'll see. Maybe they'll surprise us. Maybe.

But for now, I need to step away. I apologize for the silence. I am sorry for the replies I will not give. Aaron was wrong about very few things, but he was wrong to take his life. I have to return to mine, and to the amazingly beautiful creatures who are trying to pull me back.

I will always love you, sweet boy. Please find the peace you were seeking. And if you do, please find a way to share that too.

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First Human Contact With Large Emperor Penguin Colony

One of the largest emperor penguin colonies in Antarctica was discovered last month by a team from the International Polar Foundation's Princess Elisabeth station.

The penguin colony had previously been identified through satellite imagery by researchers from the British Antarctic Survey. The penguins themselves didn't show up very clearly, but their excrement stains on the ice did.

Expedition leader Alain Hubert, who has spent seven seasons in Antarctica, long suspected a colony existed somewhere along the vast coast near Princess Elisabeth station. "When you go on the coast," explained the Belgian explorer, "after ten minutes, penguins come out of the water to look at who you are and what you are doing."

The satellite images gave Hubert and his team a rough idea of where to start looking. When ice research brought them within 37 miles (60 kilometers) of the probable location, they hopped on their snowmobiles for a side trip. The team traversed steep crevasses from the continent's cliffs down to the ice shelf, which has been shifting 650 feet (200 meters) toward the sea each year. "We were lucky to find it," said Hubert.

They finally came upon the colony at 11 p.m. on December 3, when the sun was still shining during the Antarctic summer. Spread out on the ice were 9,000 emperor penguins, about three-quarters of them chicks. Despite his polar experience, Hubert had never seen a full colony before. "You can approach them," he said. "When you talk to them, it's like they are listening to you."

Researchers hope penguins will tell them—through population numbers and colony locations—how they are faring with climate change. Emperor penguins breed on the sea ice. If the ice breaks up early, before the chicks can fend for themselves, the chicks die and the future of the colony is imperiled.

Hubert has high hopes for his newly met neighbors because they located their nursery on top of an underwater rift, where the sea ice is less likely to melt. "They are quite clever, these animals."

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Manti Te'o Hoax Incredibly Detailed and Complex

Fresh details have emerged about how complex and layered was the hoax involving Notre Dame star linebacker Manti Te'o and his fake girlfriend, "Lennay Kekua."

According to ABC News interviews and published reports, Te'o received phone calls, text messages and letters before every football game from his "girlfriend." He was in contact with her family, including a twin brother, a second brother, sister and parents. He called often to check in with them, just as he did with his own family. And "Kekua" kept in contact with Te'o's friends and family, and teammates spoke to her on the phone.

"There are a remarkable number of characters involved. We don't know how many people they represent," Notre Dame Athletic Director Jack Swarbrick said at a news conference this week. "There are male and female characters, brothers, cousins, mother, and we don't know if it's two people playing multiple characters or multiple people."

"It goes to the sophistication of this, that there are all these sort of independent pieces that reinforce elements of the story all the way through," he said.

Click here for a who's who in the Manti Te'o case

One of Te'o's teammates who asked not to be identified told ABC News that it was normal for Te'o to pass his phone around to teammates when he was on the line with "Lennay" so they could say hello to her.

"I talked to her," this teammate said. "I wasn't suspicious."

When Te'o got the call telling him that Lennay had died last fall, he was in the locker room, the teammate said.

"He got real emotional, crying," the teammate said. "He's an emotional guy."

The teammate said he thinks Te'o genuinely got hoaxed. The fact that Te'o talked about meeting her and touching her hand - when really he only "met" her on the internet - makes this teammate think that he was not completely telling the truth about his relationship.

Manti Te'o Hoax: Was He Duped or Did He Know? Watch Video

Manti Te'o Hoax: Notre Dame Star Allegedly Scammed Watch Video

Tale of Notre Dame Football Star's Girlfriend and Her Death an Alleged Hoax Watch Video

"I think he was just embarrassed about it, the whole internet thing," the teammate said. The player said he hasn't talked to Te'o since this story broke.

With so many questions swirling around the revelation that Te'o's fake girlfriend, a source in the Notre Dame athletic department said the school would like Te'o to speak out publicly, but noted that they are not currently in touch with him.

"At some point the ball ends up in his court," the source said. "We're not involved right now."

A newly released transcript of "Sports Illustrated" writer Pete Thamel's Sept. 23 interview with Te'o gives a hint at the staggering depth of the deception.

Te'o told Thamel that Lennay Kekua's real name was Melelengei, but since no one could pronounce it properly it was shortened to Lennay. But her family nicknamed her Lala, he said.

Te'o's knowledge about the details of his girlfriend's life was often murky, including her majors in school, occupation and extent of her injuries after an alleged April 28 car accident with a drunk driver.

What he was absolutely clear about was how much time he spent in contact with her, especially while she was in the hospital recovering from the car accident, which led to the discovery of her leukemia.

"I talked to my girlfriend every single day," Te'o told Themel. "I slept on the phone with her every single day. When she was going through chemo, she would have all these pains and the doctors were saying they were trying to give her medicine to make her sleep. She still couldn't sleep. She would say, 'Just call my boyfriend and have him on the phone with me, and I can sleep.' I slept on the phone with her every single night."

He would spend eight hours a night with someone, somewhere, breathing on the other end, he told Thamel.

Te'o recounted how his girlfriend who was "on a machine" after being in a coma.

"We lost her, actually, twice. She flatlined twice. They revived her twice," he said. "It was just a trippy situation."

For a while Kekua was unable to talk and he described the nurse-deemed "miracle" of how Kekua's breathing would pick up when she heard his voice on the phone.

"There were lengthy, long telephone conversations. There was sleeping with the phone on connected to each other," Swarbrick said. "The issue of who it is, who's playing what role, what's real and what's not here is a more complex question than I can get into."

Perhaps one of the most touching displays of love from Kekua to Te'o, he told the writer, was the one-page letter she would write him on her iPad before each game. One of her siblings, often her twin brother Noa, would then read him the letter over the phone before sending it to him.

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Matching names to genes: the end of genetic privacy?

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Are we being too free with our genetic information? What if you started receiving targeted ads for Prozac for the depression risk revealed by your publicly accessible genome? As increasing amounts of genetic information is placed online, many researchers believe that guaranteeing donors' privacy has become an impossible task.

The first major genetic data collection began in 2002 with the International HapMap Project – a collaborative effort to sequence genomes from families around the world. Its aim was to develop a public resource that will help researchers find genes associated with human disease and drug response.

While its consent form assured participants that their data would remain confidential, it had the foresight to mention that with future scientific advances, a deliberate attempt to match a genome with its donor might succeed. "The risk was felt to be very remote," says Laura Lyman Rodriguez of the US government's National Human Genome Research Institute in Bethesda, Maryland.

Their fears proved to be founded: in a paper published in Science this week, a team led by Yaniv Erlich of the Whitehead Institute in Cambridge, Massachusetts, used publicly available genetic information and an algorithm they developed to identify some of the people who donated their DNA to HapMap's successor, the 1000 Genomes Project.

Anonymity not guaranteed

Erlich says the research was inspired by a New Scientist article in which a 15-year-old boy successfully used unique genetic markers called short tandem repeats (STRs) on his Y chromosome to track down his father, who was an anonymous sperm donor. Erlich and his team used a similar approach.

First they turned to open-access genealogy databases, which attempt to link male relatives using matching surnames and similar STRs. The team chose a few surnames from these sources, such as "Venter",and then searched for the associated STRs in the 1000 Genomes Project's collection of whole genomes. This allowed them to identify which complete genomes were likely to be from people named Venter.

Although the 1000 Genome Project's database, which at last count had 1092 genomes, does not contain surname data, it does contain demographic data such as the ages and locations of its donors. By searching online phonebooks for people named Venter and narrowing those down to the geographic regions and ages represented in the whole genomes, the researchers were able to find the specific person who had donated his data.

In total, the researchers identified 50 individuals who had donated whole genomes. Some of these were female, whose identity was given away because of having the same location and age as a known donor's wife.

Matter of time

Before publishing their findings, the team warned the US National Institutes of Health (NIH) and other institutions involved in the project about the vulnerability in their data. Rodriguez says that they had been anticipating that someone would identify donors, "although we didn't know how or when".

To prevent Erlich's method from being used successfully again, age data has been removed from the project's website. Erlich says that this makes it difficult, although not impossible, to narrow the surnames down to an individual.

"The genie's out of the bottle," says Jeffrey Kahn of Florida State University in Tallahassee. "It's a harbinger of a changing paradigm of privacy." A cultural zeitgeist led by companies such as Facebook has led to more information sharing than anyone would have thought possible back in 2002 when HapMap first began, he says.

Recurring problem

This is not the first time genome confidentiality has been compromised. When James Watson made his genome public in 2007, he blanked out a gene related to Alzheimer's. But a group of researchers successfully inferred whether he carried the risky version of this gene by examining the DNA sequences on either side of the redacted gene.

While someone is bound to find another way to identify genetic donors, says Rodriguez, the NIH believes it would be wrong to remove all of their genome data from the public domain. She says that full accessibility is "very beneficial to science", but acknowledges that the project needs to strike a careful balance between confidentiality and open access.

It is especially pertinent, says Kahn, because genetic data does not just carry information from the person from whom it was taken. It can also reveal the genetic details of family members, some of whom might not want that information to be public. A relative's genome might reveal your own disease risk, for example, which you might not want to know or have an employer learn of. While laws prohibit health insurers and employers from discriminating against people based on their genetic data, it would not be difficult to give another reason for denying you a job.

An individual's relatives could not prevent that individual from learning about themselves, says Rodriguez, but researchers should encourage would-be genome donors to discuss the risks and benefits with their families.

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Decree shows Chavez still rules Venezuela: minister

CARACAS: Venezuela's newly appointed foreign minister said Thursday the decree that installed him in office is proof that ailing President Hugo Chavez is still in control of the oil-rich country.

Elias Jaua was named in Venezuela's official government gazette in a decree signed by Chavez, who remains gravely ill in a Havana hospital some five weeks after complications arose during his fourth round of cancer surgery.

"If I am the foreign minister, it is because President Chavez is governing and making decisions," Jaua told a Colombian radio station.

The decree has been heavily criticised by Venezuela's opposition, who have cited its publication as a further reason to demand that the absent president clarify how sick he is and what he can and cannot do.

The decree -- number 9,351 -- was marked "Caracas" and carries the signature of Chavez, who underwent surgery in Cuba on December 11 and has not been seen in public for more than a month.

Opposition lawmaker Carlos Berrizbeitia weighed in on the dispute Thursday, stating there was "reasonable doubt" about whether the signature on the decree was genuine and demanding the government release the original document.

"It is not possible that the president has signed the decree... in Caracas, because everyone knows he is in Havana," Berrizbeitia told local media.

The Venezuelan government has been releasing only minimal information on the condition of Chavez, a 58-year-old former paratrooper who first came to power in 1999 and won a third term in October elections.

He could not attend his scheduled inauguration on January 10 because of his poor health and the swearing-in has been postponed indefinitely.

Many in Venezuela find it hard to believe that Chavez -- a flamboyant and near constant fixture on television and radio -- would not address the nation in some way if he were able to do so.

Despite winning last year's election, Chavez urged his armed forces before leaving Caracas to look out for any attempt, "from outside or from within," to destabilise the country, which has the world's largest proven oil reserves.

The leader's absence, combined with his decision to be treated in secrecy in strictly-controlled Cuba, has fuelled speculation and concern not only about his health but the future of his leftist "Bolivarian Revolution."

- AFP/jc

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Party official in China fired after jilted lover posts details online

Here's an interesting T-shirt I just came across on Neatoshop.

(Credit:
Screenshot by Chris Matyszczyk/CNET)

I fancy you've been tempted. I also fancy you have feared it might happen to you.

The vast open graph that is the Web allows those who have been hurt -- in one way or another -- to bite back, bile-style.

So it has reportedly passed in the ill-illuminated corridors of power in the Chinese Communist party.

Yi Junqing, the 54-year-old director of the Communist Party's Central Compilation and Translation Bureau, has had his extra-marital laundry washed in public by a lady who is not his wife.

Indeed, Chang Yan, a 34-year-old post-doctorate research student, is someone else's wife. But we'll come to that in a minute.

As the Telegraph whispers it, Yi had allegedly made promises to her.

These were not merely of the undying love kind, but of the "I'll get you a very nice job" kind.

Who could resist?

Sadly, the relationship never achieved all forms of its potential fruition. Chang decided her best option was to pen a 120,000 diary, detailing the relationship and posting it online.

You will, naturally, be wondering just how frank such a diary might have been. Here is a quote from it:

He said he would hire me within two months. I drank a lot and I felt excited. Later, as he helped me to get a taxi, I felt frisky and asked him to hug me. He said it was too public.

You will surely be moved by this:

He went to the bathroom and I took everything off apart from my underwear. When he returned, I was lying under the duvet, blushing.

More Technically Incorrect

Was she blushing from modesty or brandy? It's impossible to know. What is clear is that E. L. James will be ripping her heart out and her underskirts off at the sound of such unbridled passion.

Yi was endowed with considerable connection within the Communist Party. However, when Chang's diary splattered online, his position was untenable. He was fired for enjoying an "improper lifestyle."

This was despite the fact that Chang had second thoughts, removed the post, and claimed it was fiction. Perhaps her current marital status swayed her toward this judgment.

Their relationship allegedly comprised a mere 17 trysts. But the freedom of the Web allows so many people to eke out their revenge against those who have soured on their promises, waddled off with a new lover, declared their love one day and removed it the next, or merely been a mendacious squit of a human being.

How tempting it is for many to detail times, places, texts, photographs, and videos into one pleasantly complete and truthful WordPress blog.

Fortunately, now you have Facebook's Graph Search to assist you in compiling your diary of woe, one that you hope will inflict as much pain as your former lover has inflicted upon you.

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Opinion: Lance One of Many Tour de France Cheaters

Editor's note: England-based writer and photographer Roff Smith rides around 10,000 miles a year through the lanes of Sussex and Kent and writes a cycling blog at: www.my-bicycle-and-I.co.uk

And so, the television correspondent said to the former Tour de France champion, a man who had been lionised for years, feted as the greatest cyclist of his day, did you ever use drugs in the course of your career?

"Yes," came the reply. "Whenever it was necessary."

"And how often was that?" came the follow-up question.

"Almost all the time!"

This is not a leak of a transcript from Oprah Winfrey's much anticipated tell-all with disgraced cyclist Lance Armstrong, but instead was lifted from a decades-old interview with Fausto Coppi, the great Italian road cycling champion of the 1940s and 1950s.

To this day, though, Coppi is lauded as one of the gods of cycling, an icon of a distant and mythical golden age in the sport.

So is five-time Tour winner Jacques Anquetil (1957, 1961-64) who famously remarked that it was impossible "to ride the Tour on mineral water."

"You would have to be an imbecile or a crook to imagine that a professional cyclist who races for 235 days a year can hold the pace without stimulants," Anquetil said.

And then there's British cycling champion Tommy Simpson, who died of heart failure while trying to race up Mont Ventoux during the 1967 Tour de France, a victim of heat, stress, and a heady cocktail of amphetamines.

All are heroes today. If their performance-enhancing peccadillos are not forgotten, they have at least been glossed over in the popular imagination.

As the latest chapter of the sorry Lance Armstrong saga unfolds, it is worth looking at the history of cheating in the Tour de France to get a sense of perspective. This is not an attempt at rationalisation or justification for what Lance did. Far from it.

But the simple, unpalatable fact is that cheating, drugs, and dirty tricks have been part and parcel of the Tour de France nearly from its inception in 1903.

Cheating was so rife in the 1904 event that Henri Desgrange, the founder and organiser of the Tour, declared he would never run the race again. Not only was the overall winner, Maurice Garin, disqualified for taking the train over significant stretches of the course, but so were next three cyclists who placed, along with the winner of every single stage of the course.

Of the 27 cyclists who actually finished the 1904 race, 12 were disqualified and given bans ranging from one year to life. The race's eventual official winner, 19-year-old Henri Cornet, was not determined until four months after the event.

And so it went. Desgrange relented on his threat to scrub the Tour de France and the great race survived and prospered-as did the antics. Trains were hopped, taxis taken, nails scattered along the roads, partisan supporters enlisted to beat up rivals on late-night lonely stretches of the course, signposts tampered with, bicycles sabotaged, itching powder sprinkled in competitors' jerseys and shorts, food doctored, and inkwells smashed so riders yet to arrive couldn't sign the control documents to prove they'd taken the correct route.

And then of course there were the stimulants-brandy, strychnine, ether, whatever-anything to get a rider through the nightmarishly tough days and nights of racing along stages that were often over 200 miles long. In a way the race was tailor-made to encourage this sort of thing. Desgrange once famously said that his idea of a perfect Tour de France would be one that was so tough that only one rider finished.

Add to this the big prizes at a time when money was hard to come by, a Tour largely comprising young riders from impoverished backgrounds for whom bicycle racing was their one big chance to get ahead, and the passionate following cycling enjoyed, and you had the perfect recipe for a desperate, high stakes, win-at-all-costs mentality, especially given the generally tolerant views on alcohol and drugs in those days.

After World War II came the amphetamines. Devised to keep soldiers awake and aggressive through long hours of battle they were equally handy for bicycle racers competing in the world's longest and toughest race.

So what makes the Lance Armstrong story any different, his road to redemption any rougher? For one thing, none of the aforementioned riders were ever the point man for what the U.S. Anti-Doping Agency has described in a thousand-page report as the most sophisticated, cynical, and far-reaching doping program the world of sport has ever seen-one whose secrecy and efficiency was maintained by ruthlessness, bullying, fear, and intimidation.

Somewhere along the line, the casualness of cheating in the past evolved into an almost Frankenstein sort of science in which cyclists, aided by creepy doctors and trainers, were receiving blood transfusions in hotel rooms and tinkering around with their bodies at the molecular level many months before they ever lined up for a race.

To be sure, Armstrong didn't invent all of this, any more than he invented original sin-nor was he acting alone. But with his success, money, intelligence, influence, and cohort of thousand-dollar-an-hour lawyers-and the way he used all this to prop up the Lance brand and the Lance machine at any cost-he became the poster boy and lightning rod for all that went wrong with cycling, his high profile eclipsing even the heads of the Union Cycliste Internationale, the global cycling union, who richly deserve their share of the blame.

It is not his PED popping that is the hard-to-forgive part of the Lance story. Armstrong cheated better than his peers, that's all.

What I find troubling is the bullying and calculated destruction of anyone who got in his way, raised a question, or cast a doubt. By all accounts Armstrong was absolutely vicious, vindictive as hell. Former U.S. Postal team masseuse Emma O'Reilly found herself being described publicly as a "prostitute" and an "alcoholic," and had her life put through a legal grinder when she spoke out about Armstrong's use of PEDs.

Journalists were sued, intimidated, and blacklisted from events, press conferences, and interviews if they so much as questioned the Lance miracle or well-greased machine that kept winning Le Tour.

Armstrong left a lot of wreckage behind him.

If he is genuinely sorry, if he truly repents for his past "indiscretions," one would think his first act would be to try to find some way of not only seeking forgiveness from those whom he brutally put down, but to do something meaningful to repair the damage he did to their lives and livelihoods.

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Officials: 5 Americans Escaped from Algeria Terrorists

Five Americans who were at an Algerian natural gas facility when it was raided by al Qaeda linked terrorists are now safe and believed to have left the country, according to U.S. officials. At least three Americans, however, were being held hostage by the militants when the Algerian military mounted an rescue operation earlier today that reportedly resulted in casualties.

Reports that as many as 35 hostages and 15 Islamist militants at a BP joint venture facility in In Amenas have been killed during a helicopter raid have not been confirmed, though Algeria's information minister has confirmed that there were casualties. According to an unconfirmed report by an African news outlet, the militants say seven hostages survived the attack, including two Americans, one Briton, three Belgians and a Japanese national.

British Prime Minister David Cameron said that Algerian forces had attacked the compound, and that the situation "was ongoing."

"We face a very bad situation at this GP gas compound in Algeria," said Cameron. "A number of British citizens have been taken hostage. Already we know of one who has died. ... I think we should be prepared for the possibility for further bad news, very difficult news in this extremely difficult situation."

An unarmed U.S. Predator drone is now above In Amenas and is conducting surveillance. A U.S. official says the U.S. was not informed in advance by the Algerians of the raid they launched today.

In a statement, BP, a joint owner of the facility, said it had been told by both the British and Algerian governments that "the Algerian Army is attempting to take control of the In Amenas site."

"Sadly, there have been some reports of casualties but we are still lacking any confirmed or reliable information," said the statement. "There are also reports of hostages being released or escaping."

Algerian troops had surrounded the compound in the Sahara desert, where hostages from the U.S., Algeria, Norway, Japan, France and other countries are being held by terrorists who claim to be part of Al Qaeda and are led by a one-eyed smuggler known as Mr. Marlboro.

SITE Intel Group/AP Photo

Leon Panetta on Americans Held Hostage in Algeria Watch Video

Defense Secretary Leon Panetta told ABC News that as many as 100 hostages are being held, and that there may be seven or eight Americans among them. "Right now, we just really don't know how many are being held," said Panetta, who said information about the situation, including the total number of hostages and where they are being held, is "pretty sketchy." The kidnappers have released a statement saying there are "more than 40 crusaders" held "including 7 Americans."

U.S. officials had previously confirmed to ABC News that there were at least three Americans held hostage at the natural gas facility jointly owned by BP, the Algerian national oil company and a Norwegian firm at In Amenas, Algeria.

"I want to assure the American people that the United States will take all necessary and proper steps that are required to deal with this situation," said Panetta. "I don't think there's any question that [this was]a terrorist act and that the terrorists have affiliation with al Qaeda." He said the precise motivation of the kidnappers was unknown. "They are terrorists, and they will do terrorist acts."

The terror strike came without warning Wednesday morning when an estimated 20 gunmen first attacked a bus carrying workers escorted by two cars carrying security teams.

At least one worker was killed. The terrorists moved on to the residential compound where they are now holed up with the American and other western hostages, including Norwegian, French, British, and Japanese nationals.

There is growing concern this morning about the fate of the hostages, and intelligence officials say the situation is tense. Without the element of surprise, they say, a raid to free them will be very dangerous.
"They are expecting an attack and therefore, it's going to be very, very difficult for Algerian special forces to sneak in without being seen," said Richard Clarke, a former White House counter terrorism advisor and now an ABC News consultant.

Mr. Marlboro: Kidnapper, Smuggler

Intelligence officials believe the attack was masterminded by Mokhtar Belmokhtar, a rogue al Qaeda leader who also runs an African organized crime network that reportedly has made tens of millions of dollars in ransom from kidnappings and smuggling. He is known as Mr. Marlboro because of his success smuggling diamonds, drugs and cigarettes. Officials think it unlikely that Belmohktar would actually be in the middle of the hostage situation, but would be calling the shots from his base in Mali more than 1,000 miles away.

Belmokhtar fought in Afghanistan alongside the mujahideen against the Soviets in the 1990s, and lost an eye. He was formerly associated with al Qaeda's North African affiliate, al Qaeda in the Islamic Maghreb (AQIM), and was said to be a liaison with al Qaeda's international leadership. Belmokhtar split with AQIM late last year over what other Islamist militants considered his preference for lucre over jihad. He remains affiliated with al Qaeda, however, heading a breakaway group that calls itself the "Signers with Blood Brigade" or the "Veiled Brigade."

According to a Canadian diplomat who was held hostage by Belmokhtar, Mr. Marlboro is "very, very cold, very businesslike."

Robert Fowler was a UN diplomat in Africa when he was kidnapped and held hostage by Belmokhtar for four months in 2009.

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NASA buys blow-up habitat for space station astronauts

NASA wants to blow up part of the International Space Station – and a Las Vegas firm is eager to help.

The US space agency has signed a $17.8-million contract with Bigelow Aerospace of Nevada to build an inflatable crew habitat for the ISS.

According to details released today at a press briefing , the Bigelow Expandable Activity Module, or BEAM, will launch in 2015. Astronauts on the ISS will test the module for safety and comfort.

BEAM will fly uninflated inside the trunk of a SpaceX Dragon capsule. Once docked and fully expanded, the module will be 4 metres long and 3 metres wide. For two years astronauts will monitor conditions inside, such as temperature and radiation levels.

Bigelow hopes the tests done in orbit will prove that inflatable capsules are safe and reliable for space tourists and commercial research, an idea almost as old as NASA itself. The space agency began investigating the concept of expandable spacecraft in 1958. Space stations like this would be easier to launch and assemble than those with metal components, so would be cheaper. But research ended after a budget crunch in 2000, and Bigelow licensed the technology from NASA.

Stronger skin

The company has made progress, developing shielding that resists punctures from space debris and micrometeorites. BEAM's skin, for instance, is made from layers of material like Kevlar to protect occupants from high-speed impacts. The craft's skin has been tested in the lab alongside shielding used right now on the rest of the ISS, says Bigelow director Mike Gold.

"Our envelope will not only equal but be superior to what is flying on the ISS today. We have a strong and absolute focus on safety," he says.

And we have to be sure that inflatable craft are safe, says William Schonberg, an engineer specialising in orbital debris protection at Missouri University of Science and Technology in Rolla. "The overall risk to the ISS is the sum of the risks of its individual components," he says.

It may seem counter-intuitive, but a flexible, inflatable design is just as likely to survive punishment from space debris as metal shielding, says Schonberg. "Certain composite cloth materials have been shown to be highly effective as shields against [high-speed space] impacts. So depending on what material is used, and in what combination it is used with other materials – such as thermal insulation blankets – the final design could be just as effective and perhaps better than the more traditional all-metal shields used elsewhere on the station."

Gold hopes BEAM will also demonstrate that fabric shielding can limit radiation risks. This is a major worry on missions to the moon or an asteroid say, where astronauts have to spend weeks or months outside Earth's protective magnetic field.

High-energy particles called cosmic rays constantly fly through the solar system, and when they strike metal shielding, they can emit secondary radiation in the form of X-rays. This doesn't happen with Kevlar-based fabric shields and so expandable habitats could be more desirable for travellers heading deeper into space, says Gold.

If you would like to reuse any content from New Scientist, either in print or online, please contact the syndication department first for permission. New Scientist does not own rights to photos, but there are a variety of licensing options available for use of articles and graphics we own the copyright to.

All comments should respect the New Scientist House Rules. If you think a particular comment breaks these rules then please use the "Report" link in that comment to report it to us.

If you are having a technical problem posting a comment, please contact technical support.

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Football: Rooney hammers United into FA Cup fourth round

LONDON: Wayne Rooney marked his first Manchester United appearance since December 23 with the only goal of the game as they beat West Ham 1-0 in a FA Cup third round replay at Old Trafford on Wednesday.

Victory saw Premier League leaders United, the record 11-time FA Cup winners, into a fourth round tie at home to fellow top flight side Fulham.

Rooney opened the scoring in the ninth minute after the recalled Anderson produced a superb, defence-splitting pass and Javier Hernandez bore down on goal before unselfishly squaring the ball to the England striker, who was never going to miss from a few yards out.

The forward could have put the result in this all-Premier League clash beyond doubt in the second half but Rooney blasted over the top from the penalty spot after Jordan Spence handled a cross from Ryan Giggs.

"In the FA Cup anything can happen so we are pleased to get through," United veteran Ryan Giggs told ITV. "Some players are coming back from injury which can be tough but they did well.

"West Ham are a tough team to play against. We couldn't get out of our half at the start of the second half but we kept it better when Michael Carrick and Paul Scholes came on."

Frustrated Hammers manager Sam Allardyce insisted his side had been denied a penalty for handball.

"We should have had a penalty," he said, before voicing the long-held belief that United are favoured by referees at Old Trafford.

"The difference is that Jordan Spence plays for West Ham and Rafael plays for Manchester United at Old Trafford," Allardyce said. "The incidents are the same. If you give one you've got to give both, simple as that."

Earlier, Arsenal left it late before seeing off Swansea 1-0 in a third round replay with England midfielder Jack Wilshere scoring four minutes before full-time with a powerful shot.

"It was a great set-up from Olivier Giroud," said Wilshere

His goal earned Arsenal -- bidding for a first major trophy in eight years -- a fourth round clash with second-tier Brighton, the 1983 FA Cup finalists.

"I didn't want extra-time. It was important we got the winner before 90 minutes. We know Brighton play football, they play great football."

- AFP/jc

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How to remove the account picture in OS X

Separate user accounts in OS X allow the system to sequester data, settings, and other details for individual users. To identify user account, there are of course the long and short usernames for it, but in addition OS X includes an account picture that while not functional is aesthetically useful at the login window, in Mail and chat messages, among other aspects of the system.

The generic account picture in OS X is a gray silhouette on a darker gray background, that can be seen by enabling the Guest user account in the system, but other accounts are randomly assigned one of the provided account icons. The account picture can be changed to a different built-in one, or even to a separate image altogether (including one taken by your iSight webcam) but if needed then you can also remove the picture entirely and force the account to use the generic icon, though this is not a default option in the system.

Recently MacFixIt reader Paul wrote in asking about the options for removing account pictures entirely to make all accounts on the system appear more standardized at the log-in window:

How would I modify the picture to nothing? For example, I'm using OS X 10.6.8 and have modified the pic to something other than default. I would lid to modify it to nothing. I don't see a "delete" or minus option.

The account image in OS X can be reverted to this generic icon by deleting it from the directory services or using a generic image that is available in OS X.

(Credit:
Screenshot by Topher Kessler/CNET)

When the account picture is set for a user, it is stored as a setting within the system's directory services. Changing the account picture will only update this setting, but you can manually remove the setting and thereby force the system to resort to the generic user account icon. To do this, open the Terminal and run the following command, substituting the text "USERNAME" with the short name of the user for which you would like to remove the picture:

sudo dscl . delete /Users/USERNAME jpegphoto

When you run this command, you will be required to supply your password; after that, the picture should be removed.

This approach does modify the directory services, which will not harm the account or the system at all if used as mentioned above, but some people might prefer to avoid such modification unless it is absolutely necessary. In these cases, an alternative to removing the picture is to assign a separate generic picture to the account. You can find numerous such pictures online, but there are also several in the system that you can use as well, which are available in the following directories:

• System > Library > PrivateFrameworks > LoginUIKit.framework > Versions > A > Frameworks > LoginUICore.framework > Versions > A > Resources > GuestUser.png


• System > Library > CoreServices > CoreTypes.bundle > Contents > Resources > GuestUserIcon.icns

Note that in the second path above, the "CoreTypes.bundle" is a bundled folder, which you can open by right-clicking and choosing "Show Package Contents."

With these images at hand, simply drag them to the account picture field in the Users & Groups system preferences, and you should be good to go.

---

Questions? Comments? Have a fix? Post them below or
!
Be sure to check us out on Twitter and the CNET Mac forums.

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Bikes and Buses Propel Mexico City to Prize in Sustainable Transport

Bicycles, pedestrian-friendly plazas and walkways, new bus lines, and parking meters are combining to transform parts of Mexico City from a traffic nightmare to a commuter's paradise. The Mexican capital, one of the world's most populated urban areas, has captured this year's Sustainable Transport Award, the Institute for Transportation and Development Policy (ITDP) announced Tuesday.

As recently as late 2011, Mexico City commuters reported enduring the most painful commute among respondents to an IBM survey. Based on factors such as roadway traffic, stress levels, and commute times, the city scored worse than 19 cities, including Beijing, China, and Nairobi, Kenya. Mexico City has seen its roadways swell beyond capacity to more than four million vehicles, which are owned, increasingly, by a growing middle class.  (See related photos: "Twelve Car-Free City Zones")

But the city has also made strides to reorient itself around public spaces and people, rather than cars and driving. "They really changed quite fundamentally the direction and vision of the city, and a lot of it was in 2012," said Walter Hook, chief executive of ITDP, an international nonprofit that works with cities to reduce greenhouse gas emissions and improve quality of urban life.

Change at the Heart of the City

Throughout history, the heart of this metropolis has been a place of reinvention. After initial construction of the great Templo Mayor in 14th-century Tenochtitlan, each successive Aztec ruler added a new layer to the monumental complex. And in the 16th century, Spanish conquistadors built Mexico City on (and from) the ruins of the old Aztec capital.

Since 2011, Mexico City has added two new bus corridors to its Metrobus system, connecting the narrow streets in the historic center to the airport and making it the longest bus rapid transit (BRT) system in Latin America. The city also added nearly 90 stations and 1,200 new bicycles to the Ecobici bike-sharing program, began to reform on-street parking, improved sidewalks, and established new walkways. Cars were removed entirely from some narrow streets to make room for free flow of buses and pedestrians, and marketplaces were established for street vendors to help unclog the corridors. "If you want to walk to the Zócalo now, you can walk directly on the pedestrian promenade," Hook said. "It used to be that that street was just choked with traffic." (See related story: "To Curb Driving, Cities Cut Down on Car Parking.")

The day-to-day experience of getting around the city center has changed dramatically. Two years ago, Hook said in an interview, "If you tried to get across the historical core of Mexico City, you couldn't take a bus or a taxi or anything that would travel more than three miles [five kilometers] an hour. It was virtually at a standstill." Most likely, he said, you would ride in an old minibus run by an unregulated operator, or drive a car. And the narrow streets of the historic city center—a UNESCO World Heritage site—would be crowded with street vendors, trash, and illegally parked vehicles, he said. "Now you'd be on a beautiful street, in an ultramodern bus—very clean, absolutely safe."

ITDP's Sustainable Transport Award positions Mexico City among an elite group of cities honored over the past nine years, including Guangzhou, China; Medellín, Colombia; and San Francisco, California, in the United States. (See related stories: "Green Moves: Medellín Cable Cars, San Francisco Parking Reform" and "Guangzhou, China, Wins Sustainable Transport Prize.")

A committee of experts from organizations that include the United Nations Center for Regional Development, the EMBARQ program in the World Resources Institute for Sustainable Transport, and the German Society for International Cooperation (known as GIZ) was tasked with judging the vision and accomplishments of cities over the preceding year.

"We are looking for things that are new and innovative," Hook explained. Referring to Mexico City's expanded BRT system, he added, "There has been a lot of nervousness about putting in a BRT in a dense historic core," so the fact that Mexico City's bus project has been "used to sort of revitalize the historic core was really liked."

Turning the Tide

The judging committee selected Mexico City from just a handful of finalists, including Bremen, Germany; Lviv, Ukraine; Rio de Janeiro, Brazil; and Rosario, Argentina. According to ITDP, Bremen made the cut based on its car-sharing programs and efforts to encourage nonmotorized transport in a city where as many as 60 percent of trips are now made by cycling or walking. (See related story: "Car Sharing Widens the Lanes of Access for City Drivers.") Rosario stood out for its adoption of a mobility plan in 2012 that calls for development of a new bike-path network, bike-share program, and public transport in central areas.

Sporting events were important catalysts for change in the remaining two finalist cities. Lviv made it to the final round based on improvements to public transport, walking, and cycling in preparation for the EURO2012 soccer championship. Rio won recognition for an expanded bike-sharing program and the creation of what ITDP calls the city's "first world-class BRT corridor." After the build-out of transportation infrastructure for the 2016 Olympics, Hook said, the former Brazilian capital may have a better shot at winning next year's award. (See related story: "Bike-Share Schemes Shift Into High Gear.")

Not all of the changes in Mexico City have received a universally warm welcome. The new parking system, called ecoParq, introduced multispace meters to thousands of parking spots on streets where parking previously had been free—officially free, anyway. In reality, much on-street parking was controlled by unregulated valets or attendants known as franeleros, who would stake out territories and charge drivers small fees to park and receive protection in their spaces. When the city hired a contractor to take over parking management, starting in the upscale Polanco district, franeleros protested. They reportedly marched through the neighborhood carrying signs bearing messages such as, "The streets are not for sale," and "A parking meter doesn't take care of your car."

However, ecoParq has proven to be popular among many residents. Former mayor Marcelo Ebrard, previously a police commissioner "known for being fairly tough on the informal sector," Hook commented, was instrumental in launching ecoParq in Polanco, as well as Ecobici and other sustainable transport projects. "He convinced the district government of Polanco. When they did it, it worked really well, and surrounding neighborhoods wanted it. It created a chain reaction."

According to Hook, committee members took note of the hurdles. "We try to recognize political courage and guts." The mayor's office had to spend political capital taking on the franeleros, he said. "If they do that, we feel we ought to reward them with a little bit of political payback."

This is only the second year that the Sustainable Transport Award has recognized a city's parking program. Last year it was San Francisco that made its mark with parking reform, introducing pricing schemes that vary based on time of day and real-time availability, while also trading some parking spots for public space as part of its "Pavement to Parks" program. (See related story: "With a Deep Dig Into Its Past, Perugia Built an Energy-Saving Future.")

Mexico City's efforts are part of much larger shifts taking place internationally. "Sustainable transport systems go hand in hand with low emissions development and livable cities," remarked Sophie Punte, executive director of Clear Air Asia, in a statement. "Mexico City's success has proven that developing cities can achieve this, and we expect many Asian cities to follow suit."

The pool of cities moving toward more sustainable transport systems is only growing, said Hook. "Each year we're finding more and more cities that have made fairly dramatic changes to really retake the city," Hook said. "Cities are looking at their mass transit investments now not only as a way of getting people from point A to point B, but also as a way of revitalizing strategic locations and bringing parts of the city back to life."

This story is part of a special series that explores energy issues. For more, visit The Great Energy Challenge.

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