CIA chief decries torture in Osama bin Laden hunt movie

WASHINGTON: Acting CIA director Michael Morell said that "Zero Dark Thirty," the Hollywood take on the hunt for Osama bin Laden, exaggerates the importance of information obtained by harsh interrogations.

The movie by Academy Award-winning director Kathryn Bigelow tells the story of the decade-long search after September 11, 2001 that climaxed in last year's dramatic and deadly raid in May on the Al-Qaeda terror leader's hideout in Abbottabad, Pakistan.

The film shows US personnel using harsh interrogation techniques like water-boarding -- a method widely seen as torture -- to force captives to speak. The information obtained was crucial, according to the movie, in piecing together the trail that eventually led to bin Laden.

Not so, Morell said in a message to Central Intelligence Agency employees released to AFP on Saturday.

The movie "creates the strong impression that the enhanced interrogation techniques that were part of our former detention and interrogation program were the key to finding bin Laden. That impression is false."

Morell's message, sent to the employees on Friday, states that "multiple streams of intelligence" led CIA analysts to conclude that bin Laden was hiding in Abbottabad.

He acknowledged that "some" of the information "came from detainees subjected to enhanced techniques. But there were many other sources as well."

The controversial techniques were banned in 2009 by President Barack Obama.

Morell said that "whether enhanced interrogation techniques were the only timely and effective way to obtain information from those detainees, as the film suggests, is a matter of debate that cannot and never will be definitively resolved."

Morell is widely believed to be a top candidate for the job of CIA director after the resignation of David Petreaus, America's most celebrated military leader in a generation. Petreaus stepped down in November after admitting to an extra-marital affair with his biographer.

Morell's message, first reported by The New York Times, echoes a statement decrying the "Zero Dark Thirty" interrogation scenes signed by three senators, including Republican John McCain, himself a prisoner of war and torture victim during the Vietnam War.

In a letter to the head of Sony Pictures, McCain -- the 2008 Republican presidential candidate -- and Democratic senators Diane Feinstein and Carl Levin wrote that the movie "clearly implies that the CIA's coercive interrogation techniques were effective" in obtaining information that would lead to bin Laden.

"We have reviewed CIA records and know that this is incorrect," the senators wrote. "We believe that you have an obligation to state that the role of torture in the hunt for (Bin Laden) is not based on the facts, but rather part of the film's fictional narrative."

However two CIA officials active when suspects were tortured disputed those assertions.

Jose Rodriguez, who oversaw the CIA's counterterrorism operations when "harsh interrogation" methods were in use, wrote in the Washington Post in April that the path leading to bin Laden "started in a CIA black site ... and stemmed from information obtained from hardened terrorists who agreed to tell us some (but not all) of what they knew after undergoing harsh but legal interrogation methods."

And former CIA director Michael Hayden wrote in a Wall Street Journal in June 2011 that a "crucial component" of information that eventually led to bin Laden came from three CIA prisoners, "all of whom had been subjected to some form of enhanced interrogation."

Hayden claimed that he learned the information when, in 2007, he was first briefed about pursuing bin Laden through his courier network.

But interim CIA director Morell emphasized the film, a likely Oscar contender, "takes significant artistic licence, while portraying itself as being historically accurate."

"What I want you to know is that Zero Dark Thirty is a dramatization, not a realistic portrayal of the facts.

"CIA interacted with the filmmakers through our Office of Public Affairs but, as is true with any entertainment project with which we interact, we do not control the final product."

- AFP/jc

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Here comes Microsoft Surface Pro, 64 bits and all

Surface with Windows 8 Pro starts at an ultrabook-like $899.

(Credit:
Microsoft)

Microsoft's
Windows 8 Pro version of the Surface will arrive soon, giving consumers probably one the highest performing
tablets to date.

Microsoft is already dropping not-so-subtle hints that the device is coming "early in 2013." And now it appears to have made its debut at the FCC.

Let's look at what else Microsoft is saying about the 2-pound tablet that sets it apart from the current Surface RT tablet.

• 64-bit computing in a tablet: Surface with Windows 8 Pro is "a 64-bit tablet PC." That's not a trivial point. You get all of the goodness of 64-bit computing via Intel's power-efficient Core i5 Ivy Bridge processors. Surface RT, on the other hand, is 32-bit only.
  
• Security: Support for the same level of security you can expect with any corporate Windows laptop. And Microsoft includes sBitLocker, which encrypts your hard drive's data.
  
• Pen: It includes a pen. That's really a holdover from the
  Windows 7 slates but something that some business customers still want.
  
• Mini DisplayPort/display: This allows connection to large high-resolution displays (e.g., Apple Cinema Display). That said, the Surface Pro's 10.6-inch (16:9) 1,920x1,080-pixel display is already the same resolution of some desktop displays. Other ports include a full-size USB 3.0, microSDXC card slot, headset jack, and Cover port.
  

And we may already be getting a sneak preview of the Surface Pro courtesy of CNET's review of the Acer Iconia W700 tablet.

Like the Surface Pro, the W700 is a 2-pound Windows 8 tablet that packs an Ivy Bridge Core i5 processor and a 1,920x1,080 display.

Here's what CNET said: "In our benchmark tests, the Iconia W700 performed similarly to other Core i5-3317U Windows 8 laptops and convertibles, or a little behind. It's well-suited for everyday use, from HD video streaming to social media, to working on office tasks."

And battery life? One has to wonder whether Microsoft will be able to achieve the stellar battery of the W700. "The system ran for a very impressive 7 hours and 19 minutes," according to CNET. Yeah, that is impressive. In fact, Acer is beginning to brush up against the staying power you'd find in a high-end tablet with a power-efficient ARM chip.

But that may be too optimistic. Microsoft, in effect, pre-announced the Surface Pro's battery life the other day. Let's just hope that it trends closer to an ultrabook with a tolerable run-down time. This is a tablet, after all.

Let's close on a high note, though. Early this year, I had a chance to use the Intel Core i5-based Samsung tablet with Windows 8 Developer Preview (the same unit handed out to Microsoft Build conference attendees in 2011). I was immediately wowed by its speed. At the time, I felt it was much quicker than the iPad 2 I had been using every day.

If the Surface Pro can replicate that experience, it will attract power users looking for a snappy Windows 8 tablet.

And, remember, the Surface Pro will run all of those Windows 7 applications, too. That, alone, will make it attractive to business users.

See full Surface with Windows 8 Pro specifications.

With the recent release of the Iconia W700 tablet, Acer may be giving us a taste of the Surface Pro.

(Credit:
CNET)

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Urban Advocates Say New Gun Control Talk Overdue

For years, voices have cried in the urban wilderness: We need to talk about gun control.

Yet the guns blazed on.

It took a small-town slaughter for gun control to become a political priority. Now, decades' worth of big-city arguments against easy access to guns are finally being heard, because an unstable young man invaded an elementary school in Newtown, Conn., with a military-style assault rifle and 30-bullet magazines. Twenty young children and six adults were slain.

President Barack Obama called the tragedy a "wake-up call." Vice President Joe Biden met Thursday with Obama's cabinet and law-enforcement officers from around the country to launch a task force on reducing gun violence. Lawmakers who have long resisted gun control are saying something must be done.

Such action is energizing those who have sought to reduce urban gun violence. Donations are up in some places; other leaders have been working overtime due to this unprecedented moment.

The moment also is causing some to reflect on the sudden change of heart. Why now? Why weren't we moved to act by the killing of so many other children, albeit one by one, in urban areas?

Certainly, Newtown is a special case, 6- and 7-year-olds riddled with bullets inside the sanctuary of a classroom. Even in a nation rife with violence, where there have been three other mass slayings since July and millions enjoy virtual killing via video games, the nature of this tragedy is shocking.

Critics Slam NRA for Proposing Armed School Guards Watch Video

Gun Violence Victims, Survivors Share Thoughts After Newtown Massacre Watch Video

But still: "There's a lot of talk now about we have to protect our children. We have to protect all of our children, not just the ones living in the suburbs," said Tammerlin Drummond, a columnist for the Oakland Tribune.

In her column Monday, Drummond wrote about 7-year-old Heaven Sutton of Chicago, who was standing next to her mother selling candy when she was killed in the crossfire of a gang shootout. Also in Chicago, which has been plagued by a recent spike in gun violence: 6-year-old Aaliyah Shell was caught in a drive-by while standing on her front porch; and 13-year-old Tyquan Tyler was killed when a someone in a car shot into a group of youths outside a party.

Wrote Drummond: "It has taken the murders of 20 babies and six adults in an upper-middle class neighborhood in Connecticut to achieve what thousands of gun fatalities in urban communities all over this country could not."

So again: What took so long? The answers are complicated by many factors: resignation to urban violence, even among some of those who live there; the assumption that cities are dangerous and small towns safe; the idea that some urban victims place themselves in harm's way.

In March, the Children's Defense Fund issued a report titled "Protect Children, Not Guns 2012." It analyzed the latest federal data and counted 299 children under age 10 killed by guns in 2008 and 2009. That figure included 173 preschool-age children.

Black children and teens accounted for 45 percent of all child and teen gun deaths, even though they were only 15 percent of the child/teen population.

"Every child's life is sacred and it is long past time that we protect it," said CDF president Marian Wright Edelman in the report.

It got almost no press coverage — until nine months later, when Newtown happened.

Tim Stevens, founder and chairman of the Black Political Empowerment Project in Pittsburgh, has been focusing on urban gun violence since 2007, when he said Pennsylvania was declared the worst state for black-on-black violence.

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Today on New Scientist: 21 December 2012

Cadaver stem cells offer new hope of life after death

Stem cells can be extracted from bone marrow five days after death to be used in life-saving treatments

Apple's patents under fire at US patent office

The tech firm is skating on thin ice with some of the patents that won it a $1 billion settlement against Samsung

Himalayan dam-building threatens endemic species

The world's highest mountains look set to become home to a huge number of dams - good news for clean energy but bad news for biodiversity

Astrophile: Black hole exposed as a dwarf in disguise

A white dwarf star caught mimicking a black hole's X-ray flashes may be the first in a new class of binary star systems

Blind juggling robot keeps a ball in the air for hours

The robot, which has no visual sensors, can juggle a ball flawlessly by analysing its trajectory

Studio sessions show how Bengalese finch stays in tune

This songbird doesn't need technological aids to stay in tune - and it's smart enough to not worry when it hears notes that are too far off to be true

Giant tooth hints at truly monumental dinosaur

A lone tooth found in Argentina may have belonged to a dinosaur even larger than those we know of, but what to call it?

Avian flu virus learns to fly without wings

A strain of bird flu that hit the Netherlands in 2003 travelled by air, a hitherto suspected by unproven route of transmission

Feedback: Are wind turbines really fans?

A tale of "disease-spreading" wind farms, the trouble with quantifying "don't know", the death of parody in the UK, and more

The link between devaluing animals and discrimination

Our feelings about other animals have important consequences for how we treat humans, say prejudice researchers Gordon Hodson and Kimberly Costello

Best videos of 2012: First motion MRI of unborn twins

Watch twins fight for space in the womb, as we reach number 6 in our countdown of the top videos of the year

2012 Flash Fiction winner: Sleep by Richard Clarke

Congratulations to Richard Clarke, who won the 2012 New Scientist Flash Fiction competition with a clever work of satire

Urban Byzantine monks gave in to temptation

They were supposed to live on an ascetic diet of mainly bread and water, but the monks in 6th-century Jerusalem were tucking into animal products

The pregnant promise of fetal medicine

As prenatal diagnosis and treatment advance, we are entering difficult ethical territory

2013 Smart Guide: Searching for human origins in Asia

Africa is where humanity began, where we took our first steps, but those interested in the latest cool stuff on our origins should now look to Asia instead

The end of the world is an opportunity, not a threat

Don't waste time bemoaning the demise of the old order; get on with building the new one

Victorian counting device gets speedy quantum makeover

A photon-based version of a 19th-century mechanical device could bring quantum computers a step closer

Did learning to fly give bats super-immunity?

When bats first took to the air, something changed in their DNA which may have triggered their incredible immunity to viruses

Van-sized space rock is a cosmic oddball

Fragments from a meteor that exploded over California in April are unusually low in amino acids, putting a twist on one theory of how life on Earth began

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Hugh Grant wins 'substantial' phone-hacking damages

LONDON: Hugh Grant has accepted a "substantial sum" from Rupert Murdoch's British tabloid publisher over phone hacking by the News of the World, the British actor's lawyer said on Friday.

The "Four Weddings and a Funeral" star will donate the damages to the Hacked Off campaign against press intrusion.

"My aim has always been to ensure that cash is redistributed from Mr Murdoch to help those his company has harassed," Grant said in a statement through the campaign group.

His lawyer Mark Thomson said the damages would be transferred to Hacked Off as soon Grant, 52, receives the payment, with a statement made in open court in the New Year.

"Hugh Grant has today settled his claims for damages and other legal remedies arising out of the unlawful activities of News of the World journalists and others over a number of years," Thomson said in a statement.

"News Group Newspapers (NGN) have agreed to pay him a substantial sum by way of damages. He has instructed us to donate all of his damages plus an additional payment from him to the Hacked Off campaign for a free and accountable media."

Grant, one of the most high-profile celebrity victims of phone-hacking by the News of the World, has become a vocal campaigner for press reforms since media baron Murdoch was forced to close down the 168-year-old tabloid weekly over the scandal in 2011.

Revelations that the newspaper's staff accessed the voicemail messages of a murdered schoolgirl, as well as dozens of celebrities, politicians and sport stars, had prompted a wave of public disgust.

The scandal sparked a judicial inquiry into press ethics and three police investigations.

NGN has since paid compensation to dozens of people, including actors Jude Law and Sienna Miller, footballer Ashley Cole and former deputy prime minister John Prescott.

A Hacked Off spokesman said: "At the outset of his legal action, Hugh Grant announced that any damages would be going to Hacked Off to be spent on providing support for victims of phone hacking and other press abuse, especially those who don't have access to expensive lawyers.

"Mr Grant is one of a growing list of donors who are helping to ensure that the campaign is well-funded for the battle ahead, and can continue to represent people who would otherwise be without a voice in the debate."

Hacked Off is campaigning for the recommendations of judge Brian Leveson's inquiry into press ethics to be implemented in full, including a new independent regulator with statutory backing.

- AFP/jc

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Make use of the built-in VPN service in OS X

If you access your computer remotely, then services like Apple's "Back to my
Mac" have their conveniences; however, this and similar services are useful for individual machines only. On the other hand, if you have more than one device on your home network that you might wish to directly access, then using a virtual private network is beneficial as it places your system on your home's network so you can communicate with devices as if you were at home.

Often the implementation of this is to use a hardware-based VPN (likely built into your home router) to configure the remote connectivity to the network, or use a server software package like Apple's OS X Server to set up a VPN service. However, starting with 10.5 Leopard, the client version of OS X also contains a VPN server that can be activated and configured to manage remote connections to your network.

The VPN Server Configurator tool has a quick option to automatically scan your network and select a starting configuration to use.

(Credit:
Screenshot by Topher Kessler/CNET)

The VPN service in OS X is the "vpnd" daemon, that can be configured using the OS X Terminal and access to various hidden files in the system; however, there is a third-party utility called VPN Server Configurator that will allow you to set up the VPN service on OS X 10.5 or later.

While this and many more server features can be implemented in current Mac systems by purchasing the OS X Server package from the Mac App Store for $20, currently only the Mountain Lion server is available so if you have an older version of OS X (for example, on an older Mac that you would like to use as a VPN server) then you might find it difficult to purchase and install the OS X Server software.

The VPN Server Configurator contains a number of options for setting the VPN ports, IP address ranges, what users accounts on the current system are authorized to access the VPN service, and many other details. It also has a quick auto-config button that will analyze your LAN settings and give you a starting VPN configuration to work with.

VPN Server Configuration is a $9 purchase, so for OS X 10.8 users it may be worth some conveniences over Apple's $20 OS X Server package, but will likely be very beneficial to those wishing to set up older Mac as local VPN servers.

---

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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Pictures: Fungi Get Into the Holiday Spirit

Photograph courtesy Stephanie Mounaud, J. Craig Venter Institute

Mounaud combined different fungi to create a Santa hat and spell out a holiday message.

Different fungal grow at different rates, so Mounaud's artwork rarely lasts for long. There's only a short window of time when they actually look like what they're suppose to.

"You do have to keep that in perspective when you're making these creations," she said.

For example, the A. flavus fungi that she used to write this message from Santa grows very quickly. "The next day, after looking at this plate, it didn't say 'Ho Ho Ho.' It said 'blah blah blah,'" Mounaud said.

The message also eventually turned green, which was the color she was initially after. "It was a really nice green, which is what I was hoping for. But yellow will do," she said.

The hat was particularly challenging. The fungus used to create it "was troubling because at different temperatures it grows differently. The pigment in this one forms at room temperature but this type of growth needed higher temperatures," Mounaud said.

Not all fungus will grow nicely together. For example, in the hat, "N. fischeri [the brim and ball] did not want to play nice with the P. marneffei [red part of hat] ... so they remained slightly separated."

Published December 21, 2012

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Critics Slam NRA's Call for Armed School Guards

Gun control advocates slammed the National Rifle Association today for its proposal to create a force of armed security guards at schools across the country as a response to the Connecticut school shooting.

"It is beyond belief that following the Newtown tragedy, the National Rifle Association's leaders want to fill our communities with guns and arm more Americans," Sen. Frank Lautenberg, D-N.J., said.

Criticism mounted after the NRA addressed for the first time last week's school shooting in Newtown, Conn., in which Adam Lanza, 20, used a semiautomatic weapon to open fire on students and teachers at Sandy Hook Elementary School, killing 26 at the school.

NRA spokesman Wayne LaPierre this morning dismissed the notion that the pro-gun group of about 4 million members would support any kind of gun-control laws, instead saying that "the only thing that can stop a bad guy with a gun is a good guy with a gun."

Rep. Chris Murphy, D-Conn., who represents the district encompassing Newtown, reacted angrily to the comments after attending the funeral of another victim from last Friday's massacre.

"Walking out of another funeral and was handed the NRA transcript. The most revolting, tone deaf statement I've ever seen," @ChrisMurphyCT tweeted.

LaPierre argued that the answer to gun violence in schools is an armed security force that can protect students, made up of trained volunteers stationed at every school across the country.

"It's not just our duty to protect [our children], it's our right to protect them," LaPierre said at a news conference. "The NRA knows there are millions of qualified active and reserved police, active and reserve military, security professionals, rescue personnel, an extraordinary corps of qualified trained citizens to join with local school officials and police in devising a protection plan for every single school."

He was interrupted twice by protestors who stood in front of LaPierre's podium holding signs and shouting that the NRA "has blood on its hands" and that the NRA is "killing our kids."

The protestors were eventually escorted out of the room.

Lautenberg, who has introduced legislation that would ban large-capacity ammunition magazines, called the NRA "irresponsible."

"The NRA points the finger of blame everywhere and anywhere it can, but they cannot escape the devastating effects of their reckless comments and irresponsible lobbying tactics," Lautenberg said.

Mark Kelly, a former NASA astronaut and husband of former congresswoman Gabrielle Giffords, who was shot in Arizona, said, "The NRA could have chosen to be a voice for the vast majority of its own members who want common sense, reasonable safeguards on deadly firearms, but instead it chose to defend extreme pro-gun positions that aren't even popular among the law-abiding gun owners it represents."

Chip Somodevilla/Getty Images

National Rifle Association Calls for Armed Security at Schools Watch Video

President Obama Launches Gun-Violence Task Force Watch Video

President Obama on Gun Control: Ready to Act? Watch Video

The Violence Policy Center, a gun-control advocacy organization, said the NRA's idea of arming security guards at schools would not stop school violence.

"The NRA plan, which cynically allows for the continued sale of the assault weapons and high-capacity ammunition magazines marketed by its gun industry corporate donors, has already been tried, and it did not work," the group said in a statement released today.

It pointed to the mass shooting at Columbine High School in 1999, in which two armed police officers were at the school when Eric Harris and Dylan Klebold opened fire. The officers exchanged gunfire with the killers, but were unable to stop them from their rampage.

House Minority Leader Nancy Pelosi conceded that the issue is "complicated, but she said the NRA's call for an escalation "is not a positive force" in the renewed gun-control debate.

"For the NRA and others to sort of shield themselves by saying it's the mentally ill or something, and therefore we have to have more armed cops in the schools or more guns in the school -- what are they -- are they going to have [a gun] on the teacher's desk?" Pelosi wondered.

"'Wait a minute, man with a gun; I have it locked up someplace. Wait until I go get it.' I mean, this ... just doesn't make sense; we've got to reduce violence."

LaPierre had dismissed the notion that banning so-called assault weapons or enacting gun-control laws would stop school violence. He instead cast blame for gun violence in schools on violent entertainment, including video games, and the media.

"How many more copycats are waiting in the wings for their moment of fame from a national media machine that rewards them with a wall of attention they crave while provoking others to make their mark?" he asked.

LaPierre announced that former U.S. congressman Asa Hutchinson of Arkansas would lead the NRA's effort to advocate for school security forces. Hutchinson specified that the NRA, with about 4 million members, is calling for volunteers to act as the armed guards, rather than requiring funding from local or federal authorities.

"Whether they're retired police, retired military or rescue personnel, I think there are people in every community in this country who would be happy to serve if only someone asked them and gave them the training and certifications to do so," Hutchinson said.

NRA leaders have held off on interviews this week after refusing to appear on Sunday morning public affairs shows. They said they would grant interviews beginning next week to discuss their position.

NRA News anchor Ginny Simone said Thursday that in the wake of the Sandy Hook shooting, membership surged "with an average of 8,000 new members a day."

New York City Mayor Michael Bloomberg has said the NRA is partially to blame for the tragedy.

"We're not trying to take away your right to advance the interests of gun owners, hunters, people who want to protect themselves," Bloomberg told "Nightline" anchor Cynthia McFadden in an interview Thursday. "But that's not an absolute right to encourage behavior which causes things like Connecticut. In fact, Connecticut is because of some of their actions."

The guns used in the attack were legally purchased and owned by the shooter's mother, Nancy Lanza, whom Adam Lanza shot to death before his assault on the school.

In the aftermath of the shooting, many, including Bloomberg, have called for stricter regulations on the type of weapons used in this and other instances of mass gun violence this year.

Sen. Dianne Feinstein, D-Calif., has said she intends to introduce a bill banning assault weapons on the first day of next year's Congress -- a step the president said he supports.

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Van-sized space rock is a cosmic oddball

The shattered remains of a high-profile space rock are oddly low in organic materials, the raw ingredients for life. The discovery adds a slight wrinkle to the theory that early Earth was seeded with organics by meteorite impacts.

In April a van-sized meteor was seen streaking over northern California and Nevada in broad daylight. The fireball exploded with a sonic boom and sprayed the region with fragments. Videos, photographs and weather radar data allowed the meteor's trajectory to be reconstructed, and teams quickly mobilised to search for pieces in the foothills of the Sierra Nevada in northern California.

Researchers readily identified the meteorites as rare CM chondrites, thought to be one of the oldest types of rock in the universe. "Because the meteorites were discovered so freshly, for the first time we had a chance to study this type of meteorite in a pristine form," says Peter Jenniskens of the SETI Institute in Mountain View, California, who led the search effort and the subsequent study of the space rocks.

Jenniskens personally found a fragment in a parking lot, where it remained relatively free of soil contaminants. "That's the best you could hope for, other than landing in a freezer," says Daniel Glavin of NASA's Goddard Space Flight Center in Greenbelt, Maryland.

Battered past

CM chondrites make up only about 1 per cent of known meteorites. Most of them contain plenty of organic materials, including amino acids, the building blocks of life on Earth.

Jenniskens and colleagues found that the California fragments also have amino acids, including some not found naturally on Earth. But in three rocks collected before a heavy rainstorm, which bathed the other pieces in earthly contaminants, organics are less abundant by a factor of 1000 than in previously studied CM chondrites.

These three rocks could not have lost organics due to space "weathering": analysis of the meteorites' exposure to cosmic rays suggests the original meteor was flying through space for only about 50,000 years before hitting Earth.

Based on its trajectory and its relatively short flight time, Jenniskens thinks the meteor can be traced back to a family of asteroids dominated by 495 Eulalia, a group known as a possible source of CM chondrites. It is probably a piece that broke off during an impact, revealing the relatively pristine material inside.

So what happened to its organics? Jenniskens' team found that the meteorites are breccia – smaller rocks cemented together – which suggests that the asteroid from which they came took a series of beatings. Those impacts, or possibly other processes inside the asteroid, could have heated it enough to destroy most organic material.

Limited delivery

The result might have implications for the organics delivery theory, says Bill Bottke of the Southwest Research Institute in Boulder, Colorado.

"It shows that not all asteroids can deliver sufficient quantities. One of the disappointments is that, from a prebiotic organic chemistry perspective, it was very limited," says Bottke. "But this is an unusual case. Most [CM chondrites] are loaded with organic compounds."

Still, studying the space rocks will help us prepare future missions to asteroids such as OSIRIS-Rex, scheduled to take off for asteroid 1999 RQ36 in 2016 and bring a sample back in 2023.

"In some ways, we've had a sample, a very fresh one, come to us," says Bottke. "This is a test bed for the techniques we'll use in that mission."

Journal reference: Science, DOI: 10.1126/science.1227163

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Britain's Cameron visits troops in Afghanistan

LONDON: Prime Minister David Cameron on Thursday paid a pre-Christmas visit to British troops serving in Afghanistan, insisting that the "high price" paid by servicemen had been worthwhile, his office said.

Cameron told reporters that Afghan security forces were "doing better than expected" as he defended plans for the British force to be cut to 5,200 next year, according to his office.

The premier, who was touring Camp Bastion in Helmand Province, said he was confident that the draw-down of nearly half of British troops, announced in parliament on Wednesday, would not pave the way for an increase in terrorist activity.

"The fact is they (Afghan security forces) are doing better than expected," he said.

"This is withdrawal. This is draw-down based on success, not on failure."

He added that the move was "being done for good military reasons and it has been done in a proper way.

"We're confident it can be done while making sure Afghanistan does not return to become a haven of terrorism which is of course why we came here in the first place," stressed the prime minister.

Britain has the second largest force in Afghanistan after the United States and has lost 438 troops in Afghanistan since the operation began to topple the Taliban in October 2001 following the 9/11 attacks.

Brigadier Bob Bruce, commander of Task Force Helmand, backed the prime minister's comments, saying standards had "risen markedly" over the last year.

"The Afghans working with us now really are in control," he told the BBC. "The insurgency is still there. It's not gone but it doesn't dictate things."

Cameron joined in a carol service and played table-football with soldiers during Thursday's flying visit. He also announced 230 million in extra funding for equipment.

This will go toward providing additional Improvised Explosive Device (IED) detectors, more military working dogs and an upgrade to armoured vehicles.

The leader claimed that Afghanistan was now a "far better place than it was when we came here in 2001", but admitted it remained a "deeply challenged country".

"We have paid a very heavy price but I think the reason for coming here in the first place, which was to stop Afghanistan being a haven for terror... I think it was the right decision," he explained.

He said on Wednesday that there was no final decision on how many troops would stay in Afghanistan after the end of combat operations in December 2014 but said some would remain to help return equipment to Britain and to deal with logistics.

Britain would also honour its commitment to help set up an officer training academy for the Afghans, as well as contributing military assistance and aid programmes, he added.

The US military currently has about 66,000 troops on the ground as part of a NATO-led force of roughly 100,000.

- AFP/fa

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