Amazon to open market in second-hand MP3s and e-books

A new market for second-hand digital downloads could let us hold virtual yard sales of our ever-growing piles of intangible possessions

WHY buy second-hand? For physical goods, the appeal is in the price – you don't mind the creases in a book or rust spots on a car if it's a bargain. Although digital objects never lose their good-as-new lustre, their very nature means there is still uncertainty about whether we actually own them in the first place, making it tricky to set up a second-hand market. Now an Amazon patent for a system to support reselling digital purchases could change that.

Amazon's move comes after last year's European Union ruling that software vendors cannot stop customers from reselling their products. But without technical support, the ruling has had no impact. In Amazon's system, customers will keep their digital purchases – such as e-books or music – in a personal data store in the cloud that only they can access, allowing them to stream or download the content.

This part is like any cloud-based digital locker except that the customer can resell previous purchases by passing the access rights to another person. Once the transaction is complete, the seller will lose access to the content. Any system for reselling an e-book, for example, would have to ensure that it is not duplicated in the transaction. That means deleting any copies the seller may have lying around on hard drives, e-book readers, and other cloud services, since that would violate copyright.

Amazon may be the biggest company to consider a second-hand market, but it is not the first. ReDigi, based in Boston, has been running a resale market for digital goods since 2011. After downloading an app, users can buy a song on ReDigi for as little as 49 cents that would costs 99 cents new on iTunes.

When users want to sell an item, they upload it to ReDigi's servers via a mechanism that ensures no copy is made during the transfer. Software checks that the seller does not retain a copy. Once transferred, the item can be bought and downloaded by another customer. ReDigi is set to launch in Europe in a few months.

Digital items on ReDigi are cheaper because they are one-offs. If your hard drive crashes and you lose your iTunes collection you can download it again. But you can only download an item from ReDigi once – there is no other copy. That is the trade-off that makes a second-hand digital market work: the risk justifies the price. The idea has ruffled a few feathers – last year EMI sued ReDigi for infringement of copyright. A judge denied the claim, but the case continues.

Used digital goods can also come with added charm. ReDigi tracks the history of the items traded so when you buy something, you can see who has owned it and when. ReDigi's second-hand marketplace has grown into a social network. According to ReDigi founder John Ossenmacher, customers like seeing who has previously listened to a song. "It's got soul like an old guitar," he says. "We've introduced this whole feeling of connectedness."

It could be good for business too if the original vendors, such as iTunes, were to support resale and take a cut of the resell price. Nevertheless, Amazon's move bucks the industry trend. Microsoft's new Xbox, for example, is expected not to work with second-hand games.

But the market could change rapidly now that Amazon's weight is behind this, says Ossenmacher. "The industry is waking up."

This article appeared in print under the headline "Old MP3, one careful owner"

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China gold output up nearly 12% in 2012: report

SHANGHAI: Gold production in China, the world's second largest market for the precious metal, surged nearly 12 percent year-on-year last year despite a slowdown in the domestic economy, state media reported.

Output rose to 403.1 tonnes in 2012, up 11.66 percent from 2011, the official Xinhua news agency said late Saturday, quoting figures from the Ministry of Industry and Information Technology.

China is the world's second largest consumer of gold after India. A global industry group, the World Gold Council, has put China's consumer demand for gold at 776.1 tonnes last year, flat from 2011.

The council attributed the stable Chinese demand to a slowdown in the domestic economy and consolidation in gold prices which discouraged investors, according to its latest report released this month.

China's economy -- the world's second largest -- grew at its slowest pace in 13 years in 2012, expanding 7.8 percent from the year before.

But the economy has been showing renewed vigour since late last year, with growth accelerating in the final three months of 2012 to 7.9 percent, snapping seven straight quarters of weakening expansion.

"The signs of economic improvement bode well for gold demand in China, although the indications are for a steady firming of demand rather than for strong growth," the World Gold Council said.

China's Ministry of Industry said domestic gold prices dropped in December last year as worries over the US "fiscal cliff" caused uncertainty.

US lawmakers clinched a last-gasp deal to avoid the fiscal cliff of tax hikes and spending cuts.

China's gold producers recorded a combined 35 billion yuan (US$5.6 billion) in profits last year, up just 4.0 percent from 2011, the ministry said.

- AFP/ir

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Police identify Las Vegas shooting suspect

By Greg Botelho, CNN

updated 10:29 PM EST, Sat February 23, 2013

Ammar Asim Faruq Harris, 26, suspected in a shooting on the Las Vegas Strip on Thursday, is still at large, police said.

STORY HIGHLIGHTS

• The suspect fired from his Range Rover at a Maserati in Las Vegas, police say


• 26-year-old Ammar Harris is at large, though his car has been impounded, they add


• The Maserati's driver was shot, then hit a taxi spurring an explosion that left 2 dead


• The father of the Maserati's driver, an aspiring rapper, says he was "a good boy"

Follow the story here and at CNN affiliates KVVU, KLAS, KTNV and KSNV.

Las Vegas (CNN) -- Police have identified a suspect in a fatal shooting and crash on the Las Vegas Strip that left three people dead.

The suspect is 26-year-old Ammar Asim Faruq Harris, the Las Vegas Metropolitan Police Department said Saturday in a press release. He is at large, though a black Range Rover police said he was driving early Thursday morning has been impounded.

Kenneth Cherry, an aspiring rapper known as Kenny Clutch, was driving his Maserati around 4:20 a.m. Thursday when someone in a Range Rover shot at his car as it headed north on Las Vegas Boulevard.

The Maserati continued into the intersection of the boulevard and Flamingo Road and collided with a taxi, which caught fire, killing cab driver Michael Boldon, CNN affiliate KVVU said.

A passenger in that taxi -- identified by the Clark County coroner's office as Sandra Sutton-Wasmund, 48, of Maple Valley, Washington -- also died. Her death and the deaths of Boldon and Cherry have been ruled homicides, according to the coroner's office.

See an iReporter's video of the fire

The fire closed a block and a half of the Strip near some of its biggest draws: Caesars Palace, the Bellagio, Bally's and the Flamingo. Police collected surveillance video from the casinos.

The shooting took place two blocks from where rapper Tupac Shakur was killed in 1996.

The 27-year-old Cherry leaves behind three children, the oldest being 2 years old and the youngest just 2 months, his father said. He died after being shot in the chest and arm.

Kenneth Cherry Sr. blasted news reports and social media messages about his son, claiming some had falsely characterized him as a person "involved in the rap life." He also disputed accounts that his son exchanged gunfire with the Range Rover's driver, saying he wasn't even armed at the time.

"I don't like the way that some of the media stations are portraying my son, because he was black, (like) he's a criminal," the elder Cherry told reporters. "My son was a good boy."

While the police department statement named Harris as the suspect, it did not indicate any charges have been filed so far.

CNN's Elwyn Lopez, Traci Tamura and Miguel Marquez contributed to this report.

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Daytona crash sends car parts flying, injuring fans

Updated at 9:35 p.m. ET

DAYTONA BEACH, Fla. At least 33 fans were injured Saturday during a NASCAR race when a car flew into the fence at Daytona International Speedway, hurling a tire and large pieces of debris into the stands.

The accident happened on the last lap of the second-tier Nationwide Series race on the eve of Sunday's Daytona 500, which officials said would go on as scheduled.

The crash began as the field approached the checkered flag and leader Regan Smith attempted to block Brad Keselowski to preserve the win. That triggered a chain reaction, and rookie Kyle Larson hit the cars in front of him and went airborne into the fence.

The entire front end was sheared off Larson's car, and his burning engine wedged through a gaping hole in the fence. Chunks of debris from the car were thrown into the stands, including a tire that cleared the top of the fence and landed midway up the spectator section closest to the track.

The 20-year-old Larson stood in shock several yards away from his car as fans in the stands waived frantically for help. Smoke from the burning engine briefly clouded the area, and emergency vehicles descended on the scene.

Ambulance sirens could be heard wailing behind the grandstands at a time the race winner would typically be doing celebratory burnouts.

"It was freaky. When I looked to my right, the accident happened," said Rick Harpster of Orange Park, Fla., who had a bird's-eye view of the wreck. "I looked over and I saw a tire fly straight over the fence into the stands, but after that I didn't see anything else That was the worst thing I have seen, seeing that tire fly into the stands. I knew it was going to be severe."

Daytona International Speedway released a statement from speedway President Joie Chitwood Saturday evening saying 28 people were injured in the accident in the race held the day before the season-opening Daytona 500.

21 Photos

Daytona racecar loses control

According to the statement, emergency medical personnel transported 14 people off the property and 14 others were treated at the on-track care center.

"We are in the process of repairing the facility, and we will be ready to go racing tomorrow," Chitwood said.

Nathan Kimpel, 24, who works at a concession stand near where the crash happened, told CBS News correspondent Adriana Diaz that he saw 10 to 15 fans being carried out on stretchers.

"As soon as I saw the accident I just turned my head because I didn't want to get injured or anything," Kimpel told Diaz. "I saw the fence separate and more pieces of car parts flying up."

Meghan Willams, 20, who also works at a concession stand, told Diaz the crash sounded like an "earthquake." She saw people running and crying and a girl completely covered in engine oil.

Byron Cogdell, a spokesman for Halifax Health Medical Center, told CBS News that one of the 11 patents taken to the hospital was in critical condition and five more were listed as "trauma" patients.

Lindsay Rew, a spokeswoman for Florida Hospital Memorial Medical Center, said its Daytona Beach hospital had one fan there who was in good condition. She said they were expecting three more people who were coming by ambulance, but she didn't yet know their conditions.

"There obviously was some intrusion into the fence and fortunately with the way the event's equipped up, there were plenty of emergency workers ready to go and they all jumped in on it pretty quickly," NASCAR President Mike Helton said. "Right now, it's just a function of determining what all damage is done. They're moving folks, as we've seen, to care centers and take some folks over to Halifax Medical."

As emergency workers tended to injured fans and ambulance sirens wailed in the background, a somber Tony Stewart skipped the traditional post-race victory celebration.

Stewart, who won for the 19th time at Daytona and seventh time in the last nine season-opening Nationwide races, was in no mood to celebrate.

"The important thing is what going on on the frontstretch right now," said Stewart, the three-time NASCAR champion. "We've always known, and since racing started, this is a dangerous sport. But it's hard. We assume that risk, but it's hard when the fans get caught up in it.

"So as much as we want to celebrate right now and as much as this is a big deal to us, I'm more worried about the drivers and the fans that are in the stands right now because that was ... I could see it all in my mirror, and it didn't look good from where I was at."

The accident spread into the upper deck and emergency crews treated fans on both levels. There were five stretchers that appeared to be carrying fans out, and a helicopter flew overhead. A forklift was used to pluck Larson's engine out of the fence.

"It's a violent wreck. Just seeing the carnage on the racetrack, it's truly unbelievable," driver Justin Allgaier said.

It was a chaotic finish to a race that was stopped for nearly 20 minutes five laps from the finish by a 13-car accident that sent driver Michael Annett to a hospital, where his Richard Petty Motorsports team said he would be held overnight with bruising to his chest.

The race resumed with three laps to go, and the final accident occurred with Smith trying to hold off Keselowski through the final turn.

"I tried to throw a block. It's Daytona, you want to go for the win here," Smith said. "I don't know how you can play it any different other than concede second place, and I wasn't willing to do that today. Our job is to put them in position to win, and it was, and it didn't work out."

As the cars began wrecking all around Smith and Keselowski, Stewart slid through for the win, but Larson plowed into Keselowski and his car was sent airborne into the stands. When Larson's car came to a stop, it was missing its entire front end. The 20-year-old, who made his Daytona debut this week, stood apparently stunned, hands on his hips, several feet away from his car, before finally making the mandatory trip to the care center.

He said his first thought was with the fans.

"I hope all the fans are OK and all the drivers are all right," Larson said. "I took a couple big hits there and saw my engine was gone. Just hope everybody's all right."

"Honestly, the race itself pales in comparison to the injuries sustained by the fans," said Chip Ganassi, the team owner who has Larson in his driver development program. "Our thoughts and prayers go out to all the fans that were injured as a result of the crash. As for Kyle, I am very happy that he is OK."

Keselowski watched a replay of the final accident, and said his first thoughts were with the fans. As for the accident, he agreed he tried to make a winning move and Smith tried to block.

"He felt like that's what he had to do, and that's his right. The chaos comes with it," Keselowski said. "I made the move and he blocked it, and the two of us got together and started the chain events that caused that wreck. First and foremost, just want to make sure everyone in the stands is OK and we're thinking about them."

Keselowski said the incident could cast a pall on the Daytona 500.

"I think until we know exactly the statuses of everyone involved, it's hard to lock yourself into the 500," Keselowski said. "Hopefully, we'll know soon and hopefully everyone's OK. And if that's the case, we'll staring focusing on Sunday."

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Las Vegas Strip Shooting Suspect ID'd

Las Vegas police identified a suspect today in a shooting on the strip that caused a Maserati to hit a taxi and burst into flames, killing three people.

Ammar Harris, 26, has been named a suspect in the Thursday skirmish that killed three people, including rapper Kenny Clutch.

The altercation between Harris and Clutch, 27, whose legal name was Kenneth Cherry Jr., is believed to have originated in the valet area of a Las Vegas hotel, police said.

Police said Harris fired several rounds into a Maserati that was being driven by Cherry as both vehicles continued northbound on glitzy Las Vegas Boulevard.

The rapper's expensive sports car careened out of control after he was shot, slamming into several cars, including a taxi. The impact caused the cab to burst into flames, killing the driver, Michael Boldon and a female passenger. Witnesses said it looked like the car exploded.

"He was a number one guy," Carolyn Jean Trimble, Boldon's sister, told ABC News.

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"I looked out my window and I could see one vehicle down here on the corner of the intersection totally engulfed in flames," witness John Lamb told ABC News.

Boldon, 62, and his passenger, who has not yet been identified, were both killed, as was Clutch.

Timble said her brother loved driving his taxi around Vegas.

"He came to live with me in Las Vegas last year to help take care of our mother, and the first day he got here he said, 'I have to get a job.' The second day, I came home from work, and he said he got a job," she recalled.

"He says, 'You'll never guess what it is,' and I said, 'what,' and he said, 'taxi cab driver,' and we both fell out laughing," Trimble said. "He loved that job. He never complained. He'd come home and tell me stories about what happened, who he picked up."

Boldon was a single father who raised a 36-year-old son and was a new grandfather. His grandson was named after him, Trimble said.

"Of all the people to take from this earth," she said. "But I guess the Lord needed him."

A passenger in the Maserati was hit and sustained only a minor injury to his arm. Clutch died at University Medical Center.

His father, Kenneth Cherry Sr., expressed his grief for the loss of his son while speaking with ABC News.

"This is something you never really, really ever want to experience as a parent, to lose a child before you go," he said.

Harris is described as 5-foot-11 and 180 pounds. Anyone with information is asked to contact the Las Vegas Metro Police Department's homicide division.

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Rusty rocks reveal ancient origin of photosynthesis

SUN-WORSHIP began even earlier than we thought. The world's oldest sedimentary rocks suggest an early form of photosynthesis may have evolved almost 3.8 billion years ago, not long after life appeared on Earth.

A hallmark of photosynthesis in plants is that the process splits water and produces oxygen gas. But some groups of bacteria oxidise substances like iron instead – a form of photosynthesis that doesn't generate oxygen. Evolutionary biologists think these non-oxygen-generating forms of photosynthesis evolved first, giving rise to oxygen-generating photosynthesis sometime before the Earth's atmosphere gained oxygen 2.4 billion years ago (New Scientist, 8 December 2012, p 12).

But when did non-oxygen-generating photosynthesis evolve? Fossilised microbial mats that formed in shallow water 3.4 billion years ago in what is now South Africa show the chemical fingerprints of the process. However, geologists have long wondered whether even earlier evidence exists.

The world's oldest sedimentary rocks – a class of rock that can preserve evidence of life – are a logical place to look, says Andrew Czaja of the University of Cincinnati in Ohio. These rocks, which are found in Greenland and date back almost 3.8 billion years, contain vast deposits of iron oxide that are a puzzle. "What could have formed these giant masses of oxidised iron?" asks Czaja.

To investigate, he analysed the isotopic composition of samples taken from the oxidised iron. He found that some isotopes of iron were more common than they would be if oxygen gas was indiscriminately oxidising the metal. Moreover, the exact isotopic balance varied subtly from point to point in the rock.

Both findings make sense if photosynthetic bacteria were responsible for the iron oxide, says Czaja. That's because these microbes preferentially oxidise only a small fraction of the dissolved iron, and the iron isotopes they prefer vary slightly as environmental conditions change (Earth and Planetary Science Letters, doi.org/kh5). His findings suggest that this form of photosynthesis appeared about 370 million years earlier than we thought.

It is "the best current working hypothesis for the origin of these deposits", says Mike Tice of Texas A&M University in College Station – one of the team who analysed the 3.4-billion-year-old microbial mats from South Africa.

William Martin at the University of Düsseldorf, Germany, agrees. "Anoxygenic photosynthesis is a good candidate for the isotope evidence they see," he says. "Had these fascinating results been collected on Mars, the verdict of the jury would surely remain open," says Martin Brasier at the University of Oxford. "But [on Earth] opinion seems to be swinging in the direction of non-oxygen-generating photosynthesis during the interval from 3.8 to 2.9 billion years ago."

This article appeared in print under the headline "Photosynthesis has truly ancient origins"

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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Taiwan ex-president's prison term extended

TAIPEI: Taiwan's former president Chen Shui-bian, jailed for corruption in 2009, has had his prison term extended by 18 months to 20 years due to a further bribery conviction.

Chen, 62, was already serving an 18 1/2-year term for corruption and money-laundering convictions relating to his 2000-2008 presidency -- charges he says stem from a vendetta by the current Beijing-friendly government.

The high court ruled Friday that Chen should serve the extra time for taking bribes from businessmen in a high-profile financial merger case. He was convicted of the offences in December.

Chen's wife Wu Shu-chen also saw her jail term extended to 20 years, although she has been spared from serving her sentence due to poor health.

The couple were also ordered to pay a total fine of Tw$450 million (US$15 million), the court said in a statement.

They face further charges in other cases, but legal experts say their sentences are unlikely to be extended again as individuals can only serve a maximum of 20 years in jail unless a life term is imposed.

Chen's supporters have urged the government to grant him parole for medical treatment saying he is suffering from depression and other health problems. He has been undergoing treatment in a Taipei public hospital since September.

Chen and his family have been accused of laundering millions of dollars by sending political donations and secret diplomatic funds abroad, and taking kickbacks on government contracts.

Chen insists that the charges against him are part of a politically motivated vendetta carried out by Taiwan's current government in retaliation for his eight years in power, when he promoted Taiwan's independence from China.

-AFP/fl

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Obama administration to high court: End marriage law

Edith Windsor (shown with Sen. Kirsten Gillibrand, D-N.Y., in December), is at the center of the upcoming Supreme Court case.

STORY HIGHLIGHTS

• The Justice Department files first in a series of legal briefs involving two big cases


• Supreme Court will hear arguments next month on Defense of Marriage Act


• Lawyers for House GOP say they should be able to defend the marriage law in court


• U.S. still deciding whether to intervene in second case involving California law

Washington (CNN) -- In a preview of a major constitutional showdown at the Supreme Court over same-sex marriage, the Obama administration said on Friday that a federal law denying financial benefits to legally wed gay and lesbian couples is unconstitutional.

The Justice Department filed the first of a series of briefs in a pair of cases dealing with the multilayered issue, outlining the executive branch's positions.

The high court will hear oral arguments next month on the Defense of Marriage Act (DOMA), a 1996 congressional law that says for federal purposes, marriage is defined as only between one man and one woman.

That means federal tax, Social Security, pension, and bankruptcy benefits, and family medical leave protections -- do not apply to gay and lesbian couples.

This case deals with Edith "Edie" Windsor, forced to assume an estate tax bill much larger than other married couples would have to pay. Because her decades-long partner was a woman, the federal government did not recognize the same-sex marriage in legal terms, even though their home state of New York did.

But now, led by President Barack Obama's recent political about-face, the administration opposes the law.

"Moral opposition to homosexuality, though it may reflect deeply held personal views, is not a legitimate policy objective that can justify unequal treatment of gay and lesbian people" contained in the DOMA law, Solicitor General Donald Verrilli said in the Justice Department's legal brief.

The separate case from California deals with Proposition 8, a 2008 voter-approved referendum banning same-sex marriage. This after the California high court had earlier concluded same-sex couples could legally wed. That case too will be heard in late March.

Though technically a party in the California case, government sources say the Justice Department was prepared next week to file an "amicus" or supporting brief asserting a constitutional right to same-sex marriage, and that Proposition 8 should be struck down as a violation of constitutionally guaranteed "equal protection" of the laws.

Those sources say Obama was expected to make the final call on whether to intervene in the state dispute.

"I have to make sure that I'm not interjecting myself too much in this process, particularly when we're not a party to the case," Obama said Wednesday in an interview with CNN affiliate KGO-TV in San Francisco.

Of more immediate concern was the DOMA fight, where the administration is squarely involved. But a tricky gateway or "jurisdictional" question threatens to stall any final consideration of the law's constitutionality. That was the focus of much of the Friday legal papers.

The DOMA law will be defended by House Republicans, after Obama concluded the law was unconstitutional.

Traditionally, that role would fall to the solicitor general's office. But Obama, in an election-year stunner, said last May that he supported same-sex marriage.

The president had already ordered Attorney General Eric Holder not to defend DOMA in court. That raised the question of whether any party could rightfully step in and defend the law.

Besides the constitutional issue, the justices had specifically ordered both sides to argue a supplemental question: whether congressional Republicans -- operating officially as the Bipartisan Legal Advisory Group of the U.S. House of Representatives -- have "standing" or legal authority to make the case.

Lawyers representing the House GOP said Friday that they should be able to take the lead and defend the law, since both Windsor and the Obama administration are taking the same legal position.

"Without the House's participation," said attorney Paul Clement, representing House leaders, "it is hard to see how there is any case or controversy here at all. Both Ms. Windsor and the executive agree that DOMA is unconstitutional and that Ms. Windsor was entitled to a [tax] refund. And the lower courts granted them all the relief they requested. Only the House's intervention provides the adverseness that Article III [federal court jurisdiction] demands."

But the Justice Department said it alone should present the government's case.

"House Republicans lack "any basis for supplanting the executive branch's exclusive role in representing the United States' interests in this litigation, and has no interests of its own that would satisfy" federal court scrutiny, said administration lawyers.

Windsor's legal team also said the House leaders could defend DOMA, at least partially, suggesting the woman wants ultimate resolution on the constitutional questions as soon as possible.

"I was devastated by the loss of the great love of my life, and I was also very sick, then had to deal with pulling together enough money to pay for the taxes," the 83-year-old Windsor told CNN recently. "And it was deeply upsetting."

The story of Edith and Thea

That fundamental unfairness, as Windsor and her supporters see it, is at the center of DOMA legal fight.

In November, three states -- Maryland, Washington, and Maine -- approved same-sex marriage, adding to the six states and the District of Columbia that already have done so. Minnesota voters also rejected an effort to ban such unions through a constitutional amendment.

As more states legalize same-sex marriage, one of the key questions the justices may be forced to address is whether a national consensus now exists supporting the idea of expanding an "equal protection" right of marriage to homosexuals.

A bill known as the Respect for Marriage Act is working its way through Congress and would repeal DOMA.

That law does not prohibit states from allowing same-sex marriages, but it also does not force states to recognize them from other states. Most of the current plaintiffs are federal workers, who are not allowed to add their spouses to health care plans, and other benefits.

Many other states, including New Jersey, Illinois, Delaware, Rhode Island and Hawaii, have legalized domestic partnerships and civil unions for such couples -- a step designed in most cases to provide the same rights of marriage under state law.

But other states have passed laws or state constitutional amendments banning such marriages. California's Proposition 8 is the only such referendum that revoked the right after lawmakers and the state courts previously allowed it. That makes it a somewhat unique legal case for review by the justices.

The DOMA cases are U.S. v. Windsor (12-307) and Bipartisan Legal Advisory Group of the U.S. House of Representatives v. Windsor (12-785).

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Pentagon grounds F-35 fleet after engine crack found

Updated 9:03 PM ET

WASHINGTON The Pentagon on Friday grounded its fleet of F-35 fighter jets after discovering a cracked engine blade in one plane.

The problem was discovered during what the Pentagon called a routine inspection at Edwards Air Force Base, Calif., of an F-35A, the Air Force version of the sleek new plane. The Navy and the Marine Corps are buying other versions of the F-35, which is intended to replace older fighters like the Air Force F-16 and the Navy F/A-18.

All versions -- a total of 51 planes -- were grounded Friday pending a more in-depth evaluation of the problem discovered at Edwards. None of the planes have been fielded for combat operations; all are undergoing testing.

In a brief written statement, the Pentagon said it is too early to know the full impact of the newly discovered problem.

A watchdog group, the Project on Government Oversight, said the grounding is not likely to mean a significant delay in the effort to field the stealthy aircraft.

"The F-35 is a huge problem because of its growing, already unaffordable, cost and its gigantically disappointing performance," the group's Winslow Wheeler said. "That performance would be unacceptable even if the aircraft met its far-too-modest requirements, but it is not."

The F-35 is the Pentagon's most expensive weapons program at a total estimated cost of nearly $400 billion. The Pentagon envisions buying more than 2,400 F-35s, but some members of Congress are balking at the price tag.

Friday's suspension of flight operations will remain in effect until an investigation of the problem's root cause is determined.

The Pentagon said the engine in which the problem was discovered is being shipped to a Pratt & Whitney facility in Connecticut for more thorough evaluation.

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Cyberattacks Bring Attention to Security Reform

Recent accusations of a large-scale cyber crime effort by the Chinese government left many wondering what immediate steps the president and Congress are taking to prevent these attacks from happening again.

On Wednesday, the White House released the administration's Strategy on Mitigating the Theft of U.S. Trade Secrets as a follow-up to the president's executive order. The strategy did not outwardly mention China, but it implied U.S. government awareness of the problem.

"We are taking a whole of government approach to stop the theft of trade secrets by foreign competitors or foreign governments by any means -- cyber or otherwise," U.S. Intellectual Property Enforcement Coordinator Victoria Espinel said in a White House statement.

As of now, the administration's strategy is the first direct step in addressing cybersecurity, but in order for change to happen Congress needs to be involved. So far, the Cyber Intelligence Sharing and Protection Act (CISPA) is the most notable Congressional legislation addressing the problem, despite its past controversy.

Last April, CISPA was introduced by House Intelligence Committee Chairman Mike Rogers, R-Mich., and Rep. Dutch Ruppersberger, D-Md. The act would allow private companies with consumer information to voluntarily share those details with the NSA and the DOD in order to combat cyber attacks.

Peter Parks/AFP/Getty Images

The companies would be protected from any liabilities if the information was somehow mishandled. This portion of the act sounded alarm bells for CISPA's opponents, like the ACLU, which worried that this provision would incentivize companies to share individuals' information with disregard.

CISPA passed in the House of Representatives, despite a veto threat from the White House stemming from similar privacy concerns. The bill then died in the Senate.

This year, CISPA was reintroduced the day after the State of the Union address during which the president declared an executive order targeting similar security concerns from a government standpoint.

In contrast to CISPA, the executive order would be initiated on the end of the government, and federal agencies would share relevant information regarding threats with private industries, rather than asking businesses to supply data details. All information shared by the government would be unclassified.

At the core of both the executive order and CISPA, U.S. businesses and the government would be encouraged to work together to combat cyber threats. However, each option would clearly take a different route to collaboration. The difference seems minimal, but has been the subject of legislative debates between the president and Congress for almost a year, until now.

"My response to the president's executive order is very positive," Ruppersberger told ABC News. "[The president] brought up how important information sharing is [and] by addressing critical infrastructure, he took care of another hurdle that we do not have to deal with."

Addressing privacy roadblocks, CISPA backers said the sharing of private customer information with the government, as long as personal details are stripped, is not unprecedented.

"Think of what we do with HIPAA in the medical professions; [doctors do not need to know] the individual person, just the symptoms to diagnose a disease," Michigan Gov. John Engler testified at a House Intelligence Committee hearing in an attempt to put the problem into context.

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Mood-sensing smartphone tells your shrink how you feel

PEOPLE with anxiety, depression or stress are often asked to record their mood changes throughout the day, helping psychologists fine-tune their treatment. But they often forget, recording only sparse information at best. Now an emotion-sensing smartphone app that automatically generates someone's "mood diary" could give psychologists all the data they need.

It's the brainchild of Matt Dobson and Duncan Barclay, founders of speech recognition firm EI Technologies, based in Saffron Walden, UK. Instead of relying on people writing diaries, the app, called Xpression, listens for telltale changes in a person's voice that indicate whether they are in one of five emotional states: calm, happy, sad, angry or anxious/frightened. It then lists a person's moods against the times they change, and automatically emails the list to their psychologist at the end of the day.

To work, the app has to be always on, listening out for the user's voice once every second, whether they are talking to family, friends, colleagues or even pets. It also listens in on phone calls. If the user is silent, the app does nothing. Crucially for the users' privacy, it doesn't record their words, instead seeking out telltale acoustic features – like pitch – that are indicative of emotional state.

This kind of emotion recognition via voice pattern already works well and is a "hot area" of research, says Stephen Cox, head of the speech processing lab at the University of East Anglia in Norwich, UK, who is scientific adviser for the firm.

Initially, Xpression will send 200-millisecond-long acoustic snapshots to a remote server where a machine-learning system will work out a person's emotional state before sending it back to the app for storage. Factors like voice loudness, intensity, changes in pitch and speaking pace allow the system to accurately estimate somebody's emotional state. "We extract acoustic features and let the machine-learning system work it out," says Cox. This ability will be built into the app itself eventually, says Dobson.

There's a strong need for this kind of technology, says Adrian Skinner, a clinical psychologist with the UK's National Health Service in Harrogate, North Yorkshire. "With conditions like depression, people tend to stop doing things like filling in mood diaries. If this app gives us more complete diaries it could help us better find the day-to-day triggers that raise or lower a patient's mood," he says.

The firm is a finalist in a UK government competition to identify the nation's top mobile tech company, to be judged on 26 February. An insurance company has already expressed an interest in using the app to ensure the workplace stress therapy it pays for is effective. Clinical trials are due to take place later this year.

This article appeared in print under the headline "We know how you really feel"

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Man charged with outraging modesty of girl

SINGAPORE: A man has been charged with outraging the modesty of a 16-year-old girl.

Toh Boon Cheong, 52, is accused of rubbing his groin area against the girl's hip on board the MRT train travelling from Choa Chu Kang station to Bukit Gombak station.

The alleged incident occurred on 15 January, at about 6:50am.

If convicted, Toh faces up to two years' jail and caning.

- CNA/ck

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Rapper among dead in Las Vegas shooting, crash

STORY HIGHLIGHTS

• NEW: Kenneth Cherry Jr., a rapper known as Kenny Clutch, was killed, his lawyer says


• Gunfire and a fiery crash kill 3 in the heart of Las Vegas Strip


• Casino visitor describes seeing "fireball" from Caesars Palace


• Police are looking for a black Range Rover Sport with large black rims

Las Vegas (CNN) -- A shooting and a fiery crash left three people dead in the neon heart of the Las Vegas Strip on Thursday, and police scrambled to find out who triggered the carnage.

The bloodshed closed the Strip for about a block and a half around some of its biggest draws, leaving tourists gaping at a wrecked Maserati, a burned-out taxi and four other vehicles.

"First time in Vegas, and then, like, the whole thing, what you know from movies only -- I was shocked," Christine Gerstenberger, who was visiting the desert gambling mecca from Germany, said Thursday afternoon. She and her brothers debated going back to the hotel "because I'm totally scared," but "We're too curious," she said.

See iReporter's video of fire

One of those killed was Kenneth Cherry Jr. -- a rapper also known as Kenny Clutch -- his attorney Vicki Greco said. According to his Facebook page, Cherry is from Oakland, California, and lived in Las Vegas.

Cherry's death was shocking, Greco said.

"Out of everyone I know in the rapping industry there is no way I would have ever, ever expected to find that he was shot on the Las Vegas strip in such an aggressive manner," said Greco, who said Cherry had two kids. "He didn't have a (criminal) record or a history. He was just a good kid trying to make it and be a good father."

Four of the Nevada city's biggest casinos -- Caesars Palace, the Bellagio, Bally's and the Flamingo -- are nearby, and police collected surveillance-camera video from them to help the probe.

It started around 4:20 a.m. with a dispute in the valet lot of the Aria Hotel, about a block away, Sheriff Douglas Gillespie said. Investigators haven't confirmed the cause of the altercation, but he said it spilled onto the street as someone in a black Range Rover Sport fired several shots at the Maserati as it headed north on Las Vegas Boulevard.

When the driver was hit, the Maserati continued into the intersection of the boulevard and Flamingo Road and collided with a taxi, which caught fire. The sports car's driver, the cab driver and a passenger in the taxi all died; a passenger in the Maserati and three other people in the resulting pileup were hurt, Gillespie said.

The Maserati's passenger and other witnesses are helping detectives piece together what happened, he said. And the "top priority" for police is to find the Range Rover, which sped away from the intersection, and those inside it when the shooting happened.

"This act is totally unacceptable, and we are going to make a very clear message to these individuals in regards to that," Gillespie said.

Police in neighboring states have been asked to look for the sport-utility vehicle, and Gillespie warned the occupants should be considered armed and dangerous.

"Clearly, the suspects have no regard for the lives and safety of others," he said.

The Range Rover had an out-of-state dealer plate, tinted windows and large, black rims, Las Vegas Police Sgt. John Sheahan said.

The block around the crash remained closed off into Thursday afternoon. John Lamb, who was inside Caesars Palace, told CNN affiliate KLAS he heard the commotion and saw the taxi on fire from a window.

"There was a loud bang, and I hear two other booms. I looked out my window at Caesars Palace ... and could see the fireball," he told KLAS.

Man kills 3, himself in Southern California shooting

CNN's Cristy Lenz, Matt Smith, Tom Watkins, Jason Hanna and Deanna Hackney contributed to this report.

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Japan identifies some Boeing 787 problems

TOKYO Japanese investigators have identified the causes of fuel leaks and other problems with Boeing's 787 but are still investigating the more serious battery problem that forced an emergency landing in January and the worldwide grounding of the jets.

The Transport Ministry on Friday released the results of its investigation into problems that occurred with 787 Dreamliner jets in January.

It said an oil leak was caused by an improper paint job that led to a switch not working properly, while inadequate taping led to cracks in cockpit glass, and a faulty part led to braking problems.

Boeing 787 jets have been grounded for more than a month. Boeing and U.S. authorities are also investigating.

Japan Airlines and All Nippon Airways are among the biggest customers for the jets.

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Arias Challenged On Pedophilia Claim

Accused murderer Jodi Arias was challenged today by phone records, text message records, and her own diary entries that appeared to contradict her claim that she caught her ex-boyfriend, Travis Alexander, looking at pictures of naked boys.

Arias had said during her testimony that one afternoon in January 2008, she walked in on Alexander masturbating to pictures of naked boys. She said she fled from the home, threw up, drove around aimlessly, and ignored numerous phone calls from Alexander because she was so upset at what she had seen.

The claim was central to the defense's accusation that Alexander was a "sexual deviant" who grew angry and abusive toward Arias in the months after the incident, culminating in a violent confrontation in June that left Alexander dead.

Arias claimed she killed him in self-defense. She could face the death penalty if convicted of murder.

Catching Up on the Trial? Check Out ABC News' Jodi Arias Trial Coverage

Today, prosecutor Juan Martinez, who has been aggressive in questioning witnesses throughout the trial, volleyed questions at her about the claim of pedophilia, asking her to explain why her and Alexander's cell phone records showed five calls back and forth between the pair throughout the day she allegedly fled in horror. Some of the calls were often initiated Arias, according to phone records.

Jodi Arias Doesn't Remember Stabbing Ex-Boyfriend Watch Video

Jodi Arias Murder Trial: Testimony About Ex's Death Watch Video

Arias on Ex-Boyfriend's Death: 'I Don't Remember' Watch Video

She and Alexander also exchanged text messages throughout the afternoon and evening at a time when Arias claims the pedophilia incident occurred. In those messages they discuss logistics of exchanging one another's cars that night. Alexander sends her text messages about the car from a church social event he attended that night that she never mentioned during her testimony.

Arias stuck by her claim that she saw Alexander masturbating to the pictures, and her voice remained steady under increasingly-loud questioning by Martinez.

But Martinez also sparred with Arias on the stand over minor issues, such as when he asked Arias detailed questions about the timing and order of events from that day and Arias said she could not remember them.

"It seems you have problems with your memory. Is this a longstanding thing? Since you started testifying?" Martinez asked.

"No it goes back farther than that. I don't know even know if I'd call it a problem," Arias said.

"How far back does it go? You don't want to call them problems, are they issues? Can we call them issues? When did you start having them?" he asked in rapid succession. "You say you have memory problems, that it depends on the circumstance. Give me the factors that influence that."

"Usually when men like you or Travis are screaming at me," Arias shot back from the stand. "It affects my brain, it makes my brain scramble."

"You're saying it's Mr. Martinez's fault?" Martinez asked, referring to himself in the third person.

"Objection your honor," Arias' attorney finally shouted. "This is a stunt!"

Timeline of the Jodi Arias Trial

Martinez dwelled at one point about a journal entry where Arias wrote that she missed the Mormon baptism of her friend Lonnie because she was having kinky sex with Alexander. He drew attention to prior testimony that she and Alexander used Tootsie Pops and Pop Rocks candy as sexual props.

"You're trying to get across (in the diary entry) that this involved a sexual liaison with Mr. Alexander right?" he asked. "And you're talking about Tootsie Pops and Pop Rocks?"

"That happened also that night," Arias said.

"You were there, enjoying it, the Tootsie Pops and Pop Rocks?" he asked again, prompting a smirk from Arias.

"I enjoyed his attention," Arias said.

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Higgs may spell doom, unless supersymmetry saves us

Lisa Grossman, physical sciences reporter

(Image: CERN)

Is the Higgs boson a herald of the apocalypse? That's the suggestion behind a theory, developed more than 30 years ago, that is back in the headlines this week. According to physicists, the mass of the Higgs-like particle announced last summer supports the notion that our universe is teetering on the edge of stability, like a pencil balanced on its point.

"It may be that the universe we live in is inherently unstable," Joseph Lykken, of the Fermi National Accelerator Laboratory in Batavia, Illinois, said on Monday at a meeting of the American Association for the Advancement of Science. "At some point, billions of years from now, it's all going to be wiped out."

Physicists have been wringing their hands about this scenario since 1982, when theorists Michael Turner and Frank Wilczek published a paper about it in Nature, NBC News points out. The pair showed that the vacuum of space can be in different energy states, and it will be most stable at its lowest energy. Trouble arises if we're not there yet, and we're inhabiting a temporarily stable state that should ultimately collapse.

"The universe wants to be in a different state, so eventually to realize that, a little bubble of what you might think of as an alternate universe will appear somewhere, and it will spread out and destroy us," Lykken said at AAAS.

Enter the Higgs boson, the particle form of the field that gives mass to several fundamental particles. The Higgs field permeates the vacuum of space, which means the mass of the boson and the stability of the vacuum are closely intertwined. Theory predicted that if the Higgs boson is heavier than about 129 gigaelectronvolts (GeV), the universe should be on safe footing.

But in July 2012 physicists at CERN, near Geneva, Switzerland announced that a particle closely matching the Higgs had been found by experiments in the Large Hadron Collider (LHC). The much celebrated particle has a mass of about 126 GeV - light enough to raise fears of instability.

There is still hope for the universe as we know it. Some theorists pointed out that the relationship between the Higgs mass and the vacuum of space depends on the mass of a particle called the top quark. If the top quark's mass is different than we think it is, stability might reign.

There are also anomalies with the Higgs measurement, like the fact that it decays into photons more often than predicted. That hints we may yet find particles from the theory of supersymmetry, which says each ordinary particle has heavier "superpartners". If the Higgs has such a relative, it might save us from destruction. But some of these predicted particles, particularly the superpartners of the top quark, can push the universe back into instability.

The worries may remain unconfirmed for a while. The LHC is shutting down for a two-year break so engineers can prepare the machine to shoot higher-energy particle beams, which are needed to probe for superpartners.

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Del Piero signs for second season Down Under

MELBOURNE: Italian World Cup winner Alessandro Del Piero has signed on for a second season in Australia's A-League as his Sydney FC side push for a play-off place.

"I'm very happy about this news," the Juventus and Italy legend told a press conference after agreeing to activate the second year of a reported US$2 million-a-season contract.

"For sure it's a great moment for me, for Sydney FC," he said, thanking the club for trusting him.

The 38-year-old said he would not carry on if he could not play at a high level.

"In my age, I want to be very honest. We have to see year by year."

Del Piero has already scored 11 goals in 18 matches, a record haul by a Sydney FC player in a single season and been a hit off the pitch too, helping to boost crowds, shirt sales and television ratings.

Sydney FC has fought back from the bottom of the league to fifth place -- within reach of qualification for the playoffs, largely thanks to Del Piero's goals.

"We have a good position but it's not enough, we have six games remaining but we have to push our energy to take a play-off," he said.

"We want to improve for the next year and do better and better every week," he added.

The team's charge for the finals gathered steam, with a 2-1 win over Adelaide United following the signing of Socceroos captain Lucas Neill on Saturday.

An early-season collapse was halted by the December arrival of former Australia coach Frank Farina, quickly turning Sydney FC into the form team.

- AFP/sf

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Woman's corpse found in LA hotel's water tank

By Alan Duke, CNN

updated 8:51 PM EST, Wed February 20, 2013

STORY HIGHLIGHTS

• Elisa Lam disappeared from the hotel on January 31


• Canadian's body was found in a Cecil Hotel water tank Tuesday


• Police investigating death

Los Angeles (CNN) -- Tourists staying at a Los Angeles hotel bathed, brushed teeth and drank with water from a tank in which a young woman's body was likely decomposing for more than two weeks, police said.

Elisa Lam's corpse was found in the Cecil Hotel's rooftop water tank by a maintenance worker who was trying to figure out why the water pressure was low Tuesday.

Lam's parents reported her missing in early February. The last sighting of her was in the hotel on January 31, Los Angeles Police said.

Detectives are now investigating the 21-year-old Canadian's suspicious death, police Sgt. Rudy Lopez said.

It was not clear whether the water presented any health risks. Results on tests on the water done Wednesday by the Los Angeles Public Health Department were expected later in the day.

The hotel management has not responded to CNN requests for comment.

Video appears to show four cisterns on the hotel roof.

People who stayed at the Cecil since Lam's disappearance expressed shock about developments.

"The water did have a funny taste," Sabrina Baugh told CNN on Wednesday. She and her husband used the water for eight days.

"We never thought anything of it," the British woman said. "We thought it was just the way it was here."

What she described was not normal.

"The shower was awful," she said. "When you turned the tap on, the water was coming black first for two seconds and then it was going back to normal."

The hotel remained open after the discovery, but guests checking in Tuesday were told not to drink it, according to Qui Nguyen, who decided to find a new hotel Wednesday.

Nguyen said he learned about the body from a CNN reporter, not the hotel staff.

Authorities search for missing police chief

Fishing vessel, crew missing off Nova Scotia

How women can travel safely

CNN's Kyung Lah and Irving Last contributed to this report.

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Sequestration could mean across-the-board pain

(CBS News) WASHINGTON - The entire economy is headed for trouble in just eight days -- when massive across-the-board cuts in the federal budget are scheduled to kick in automatically. The cuts were designed to be so deep and harmful, that they would force the president and Congress to find a better way. But they haven't. Just for example, there would be $46 billion cut from the Defense Department and benefit cuts for 4.7 million long-term unemployed.

The FBI says the budget cuts would require all employees, including special agents, to be furloughed for up to 14 days.

Referring to the FBI's top managers, Jan Fedarcyk, the former head of the New York field office of the agency, said: "I'm sure they are most worried about, 'What does this mean in the national security arena?' That's probably at the top of the list, a discussion about maintaining our counter-terrorism operations."

Watch CBS News correspondent David Martin's report on the impact the sequester cuts could have on those who work for the Department of Defense:

Most of the cuts would not take effect immediately on March 1 -- they would be phased in slowly over several months. And they could be avoided if Congress and the president could agree to a deal. But if they can't, the cuts will be painful.

Thousands of security screeners at the nation's airports would also be furloughed. Wait times at the busiest airports could increase by up to an hour.

Boehner, WH trade blame for sequester

Dickerson: Obama has stronger hand in sequester fight
Will sequestration really be that bad?

About 70,000 children would be dropped from Head Start.

About 600,000 women and young children would be cut from a major nutrition program.

Millions of the nation's long-term unemployed would lose an average of more than $400 in benefits.

On the health front, the FDA says furloughs would result in 2,100 fewer inspections of food plants, increasing the risk of food-borne illness. And medical research could be cut by $1.6 billion, slowing progress in the fight against disease, including cancer and Alzheimer's.

Medicare, Medicaid and Social Security would largely be spared. But critics of the whole process say that is a fundamental flaw because entitlement programs are a major driver of the national debt.

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Arias Leaves Stand After Describing Killing, Her Lies

Jodi Arias stepped down from the witness stand today after mounting an emotional effort to save herself from death row, insisting to the Arizona jury that an explosive fight with ex-boyfriend Travis Alexander led to his death, and that her lies about killing him masked deep regret and plans to commit suicide.

Arias, 32, will now face what is expected to be a withering cross-examination beginning Thursday from prosecutor Juan Martinez, who has been aggressive to many witnesses throughout the trial and who is expected to go after Arias' claim that she was forced to kill Alexander or be killed herself.

She is charged with murder for her ex-boyfriend's death and could face the death penalty if convicted.

Catching Up on the Trial? Check Out ABC News' Jodi Arias Trial Coverage

The day's dramatic testimony started with Arias describing the beginning of the fight on June 4, 2008 when she and Alexander were taking nude photos in his shower and she claims she accidentally dropped his new camera, causing Alexander to lose his temper. Enraged, he picked her up and body slammed her onto the tile floor, screaming at her, she told the jury.

Arias said she ran to his closet to get away from him, but could hear Alexander's footsteps coming after her down the hall. She grabbed a gun from his shelf and tried to keep running, but Alexander came after her, she said.

"I pointed it at him with both of my hands. I thought that would stop him, but he just kept running. He got like a linebacker. He got low and grabbed my waist, and as he was lunging at me the gun went off. I didn't mean to shoot. I didn't even think I was holding the trigger," she said.

"But he lunged at me and we fell really hard toward the tile wall, so at this point I didn't even know if he had been shot. I didn't see anything different. We were struggling, wrestling, he's a wrestler.

"So he's grabbing at my clothes and I got up, and he's screaming angry, and after I broke away from him. He said 'f***ing kill you bitch,'" she testified.

Asked by her lawyer whether she was convinced Alexander intended to kill her, Arias answered, "For sure. He'd almost killed me once before and now he's saying he was going to." Arias had earlier testified that Alexander had once choked her.

Timeline of the Jodi Arias Trial

Jodi Arias Describes Violent Sex Before Shooting Watch Video

Jodi Arias Testifies Ex Assaulted Her, Broke Her Fingers Watch Video

Jodi Arias Gives Explicit Details About Doomed Relationship Watch Video

But Arias' story of the death struggle ended there as she told the court that she has no memory of stabbing or slashing Alexander whose body was later found with 27 stab wounds, a slit throat and two bullets in his head. She said she only remembered standing in the bathroom, dropping the knife on the tile floor, realizing the "horror" of what had happened, and screaming.

"I have no memory of stabbing him," she said. "There's a huge gap. I don't know if I blacked out or what, but there's a huge gap. The most clear memory I have after that point is driving in the desert."

Arias said that she decided in the desert not to admit to killing Alexander, a decision that would last for two years as Arias lied to friends, family, investigators and reporters about what really happened in Alexander's bathroom.

During that time she initially claimed she got lost that night while driving to a friend's house and never went to Alexander's home in Mesa,Ariz. She later changed her story and said two masked people, a man and a woman, burst into the home and killed Alexander and threatened to kill her family if she told anyone what happened.

She eventually confessed to killing her ex-boyfriend, but insisted it was self defense.

"The main reason (for lying) is because I was very ashamed of what happened. It's not something I ever imagined doing. It's not the kind of person I was. It was just shameful," she said. "I was also very scared of what might happen. I didn't want my family to know that I had done that, and I just couldn't bring myself to say that I did that."

"From day one there was a part of me that always wanted to (tell the truth) but didn't dare do that. I would rather have gone to my grave than admit I had done something like that," she said.

Arias said that she continued to lie because she figured she would never get caught; she was planning to kill herself before trial.

"I was concerned with how it would affect my family. I wanted to die. I was going to definitely kill myself," she said. "That was my plan. You can purchase different things in jail and I bought a bunch of Advil... and took it all in the next few days so it was in my system. They have razors for shaving, so I got one and took it apart one night with intentions to slit my wrists."

Arias said she balked at slitting her wrists after accidentally cutting herself, but that she still planned to commit suicide sometime in the future. When she told news reporters that "no jury would convict her," she claims she said it believing that she would be dead before they'd have a chance to put her on trial, Arias testified.

Arias said support from the public and her family eventually led her to change her mind.

"My family remained very supportive, and told me 'it doesn't matter what happens, we love you anyway.' I realized even if I told the truth they would still be there and wouldn't walk away," she testified.

"By the time spring, 2010, rolled around, I confessed. I basically told everyone what I could remember of the day and that the intruder story was all BS pretty much."

She said that her testimony today, a third version of events, was the truth.

Arias was arrested a month after Alexander's death, and prosecutors have argued that her behavior during those weeks showed a lack of remorse for the killing and an attempt to get away with murder.

Arias said today that after she killed Alexander and drove away from his Mesa, Ariz., home in a panic, it dawned on her that police would soon be looking for Alexander's killer, and she decided that she would pretend the bloody confrontation had never happened.

"I knew that it was really bad, that my life was probably done now. I wished it was just a nightmare I could wake up from, but I knew I had messed up pretty badly and the inevitable was going to be something I could not really run from," she testified.

"I didn't want anyone to know that that had happened or that I did it, so I started taking steps in the aftermath to cover it up. I did a whole bunch of things to try to make it seem like I was never there," she said.

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Today on New Scientist: 19 February 2013

Doctors would tax sugary drinks to combat obesity

Hiking the price of fizzy drinks would cut consumption and so help fight obesity, urges the British Academy of Medical Royal Colleges

Space station's dark matter hunter coy about findings

Researchers on the Alpha Magnetic Spectrometer, which sits above the International Space Station, have collected their first results - but won't reveal them for two weeks

Huge telescopes could spy alien oxygen

Hunting for oxygen in the atmospheres of distant exoplanets is a tough job, but a new wave of giant telescopes should be up to the task

Evolution's detectives: Closing in on missing links

Technology is taking the guesswork out of finding evolution's turning points, from the first fish with legs to our own recent forebears, says Jeff Hecht

Moody Mercury shows its hidden colours

False-colour pictures let us see the chemical and physical landscape of the normally beige planet closest to the sun

LHC shuts down to prepare for peak energy in 2015

Over the next two years, engineers will be giving the Large Hadron Collider the makeover it needs to reach its maximum design energy

Insert real news events into your mobile game

From meteor airbursts to footballing fracas, mobile games could soon be brimming with news events that lend them more currency

3D-printing pen turns doodles into sculptures

The 3Doodle, which launched on Kickstarter today, lets users draw 3D structures in the air which solidify almost instantly

We need to rethink how we name exoplanets

Fed up with dull names for exoplanets, Alan Stern and his company Uwingu have asked the public for help. Will it be so long 2M 0746+20b, hello Obama?

A shocking cure: Plug in for the ultimate recharge

An electrical cure for ageing attracted the ire of the medical establishment. But could the jazz-age inventor have stumbled upon a genuine therapy?

Biofuel rush is wiping out unique American grasslands

Planting more crops to meet the biofuel demand is destroying grasslands and pastures in the central US, threatening wildlife

Read More..

Swimming: Trickett urges healing after "toxic" Games

SYDNEY: Australian swimmer Libby Trickett called for healing within the sport after reports exposed a "toxic" atmosphere at the London Olympics including drunkenness, deceit and bullying.

Swimming Australia has vowed to restore its standing with the public after the country's much vaunted swimmers disappointed at the 2012 Olympics and inquiries into its culture revealed discipline was loose and the squad lacked leadership.

Trickett, who has won four gold medals at three Olympics, welcomed the news that officials would further investigate allegations against the team, including that some athletes misused prescription drugs as a prank in London.

"That issue has been left unresolved and it needs to be dealt with in order for us to move on," she told the Australian newspaper.

"It probably has gone too long without being dealt with. It certainly does need to be addressed because... if we let this one go, it's a precedent for the future."

She said all swimmers had been "under a cloud" because no individuals had so far been named.

"But if names are named, we will need to support them through the difficult times that lie ahead for them -- and they will be difficult," she said, The Australian reported.

"We need to come together again as a team and what better way to do that than by embracing these swimmers?"

Australia endured its worst swimming haul in decades in London, winning just one gold medal, six silver and three bronze for its lowest tally in the pool since Barcelona in 1992.

The lacklustre performance, in which no individual swimming gold medal was won for the first time since the 1976 Montreal Games, resulted in the commissioning of two independent reports released on Tuesday.

They revealed that morale within the swimming team was so low one athlete referred to London as the "lonely Olympics" as individuals looked after themselves ahead of the team.

- AFP/al

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Killing, carjacking spree ends with suicide

STORY HIGHLIGHTS

• Ali Syed killed three, wounded three during spree that involved carjackings in Orange County, police say


• Authorities: Syed first killed woman at his parents' home, then shot at motorists


• Suspect killed himself after police spotted him north of Tustin, police say

(CNN) -- In the middle of a shooting spree that killed three people and unleashed terror on Southern California motorists Tuesday morning, Ali Syed told one of his carjacking victims to walk away, police say.

"Mr. Syed ... said, 'I don't want to hurt you, I killed somebody. Today's my last day. Give me your keys,' " Tustin Police Chief Scott Jordan told reporters.

According to preliminary accounts from police, Syed, 20, didn't intentionally spare another target.

Police say they believe Syed, a part-time college student, fatally shot a woman at his family's Ladera Ranch home before killing two other people -- including a senior citizen executed outside his vehicle -- and wounding three others as he fired a shotgun at Orange County motorists on the Costa Mesa Freeway and committed three carjackings.

The spree ended when Syed died after he turned his gun on himself as police approached on a road north of Tustin, authorities say.

The Orange County Sheriff's Department says it was called to the Ladera Ranch home, where Syed lived with his parents, on a report of shots fired about 4:45 a.m. PT.

A woman in her 20s was found dead there. Police said she wasn't related to Syed, but they didn't release her name, and they said they didn't know why she was at the home.

Syed left the home in his parents' SUV, police said. About 25 minutes after that police call and 20 miles to the northwest, Syed drove into a Denny's and Big Lots parking lot in Tustin, exited the vehicle and shot a driver in the back of the head, Jordan said.

The wounded motorist -- a man who was waiting for his son to carpool with him to work -- managed to drive away before stopping near an overpass, Jordan said. The victim was being treated Tuesday, police said.

That's when Syed, whose SUV had a flat tire, approached the man he would spare. Syed ran toward the man at a nearby gas station, took his keys and drove the pickup truck away without firing at him, Jordan said.

Syed then drove south on the Costa Mesa Freeway, exited onto a transition road, got out of the vehicle and fired a shotgun at southbound vehicles on the freeway, hitting three vehicles, police said.

One of the freeway drivers was wounded in the hand and face, but investigators don't know whether the wounds were from shotgun rounds or debris, according to Jordan.

Police said Syed then drove to nearby Santa Ana, crashing the pickup into a curb on a freeway off-ramp. There, he pointed the shotgun at Melvin L. Edwards, 69, of Laguna Hills, who was in a BMW at a stop sign.

"Syed ... got (Edwards) out of the car at gunpoint, walked him across the road and executed him -- shot him three times," Jordan said.

Syed drove Edwards' BMW to the parking lot of a Tustin-area Micro Center computer store, where police said he found his next two shooting victims.

Syed shot and killed Jeremy Lewis, 26, of Fullerton, who was in a vehicle in the lot, police said. Lewis had worked at a construction site across the street.

People from the construction site then approached, and Syed shot and wounded one of them in the arm, Jordan said. Syed entered that person's vehicle and drove north on the Costa Mesa Freeway before exiting again.

By that time, authorities had received many phone calls about the shootings, and California Highway Patrol officers found Syed driving at an intersection about 5 miles north of Tustin, Jordan said.

Syed exited the vehicle as it slowly rolled near the intersection, according to police.

"There really wasn't a confrontation at that very end," Jordan said. "As soon as he got out of his vehicle, before it actually came to a complete stop, he shot and killed himself," Jordan said.

Syed was unemployed and taking one class at Saddleback College in Mission Viejo, an Orange County Sheriff's Department spokesman said.

Police said they're trying to determine what led to the shootings, and that they didn't yet know of a motive.

CNN's John Fricke contributed to this report.

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