Black Hole Spins at Nearly the Speed of Light

A superfast black hole nearly 60 million light-years away appears to be pushing the ultimate speed limit of the universe, a new study says.For the first time, astronomers have managed to measure the rate of spin of a supermassive black hole—and it's been clocked at 84 percent of the speed of light, or the maximum allowed by the law of physics."The most exciting part of this finding is...

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Obama Signs Order to Begin Sequester Cuts

President Obama and congressional leaders today failed to reach a breakthrough to avert a sweeping package of automatic spending cuts, setting into motion $85 billion of across-the-board belt-tightening that neither had wanted to see.President Obama officially initiated the cuts with an order to agencies Friday evening.He had met for just over an hour at the White House Friday...

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Mystery ring of radiation briefly encircled Earth

What were you doing last September? The charged particles that dance around Earth were busy. Unbeknown to most earthlings, a previously unseen ring of radiation encircled our planet for nearly the whole month – before being destroyed by a powerful interplanetary shock wave. ...

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White House backs gay marriage in Supreme Court brief

WASHINGTON: US President Barack Obama's administration threw its weight behind gay marriage on Thursday, urging the Supreme Court to strike down California's ban on same-sex unions.The court is set to examine the issue on March 26, when it will study the constitutionality of California's Proposition 8, a measure approved by a 2008 referendum that outlawed gay marriage in the most populous...

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Anonymous leaks alleged data on BofA execs, surveillance

In its latest salvo against the financial industry, Anonymous claims to have leaked sensitive information related to Bank of America executives and the company's alleged effort to "spy and collect information on private citizens."Par:AnoIA, a group that identifies itself as the Anonymous Intelligence Agency, said in a press release (PDF) yesterday that it had released 14 gigabytes of data on hundreds...

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Scarred Duckbill Dinosaur Escaped T. Rex Attack

A scar on the face of a duckbill dinosaur received after a close encounter with a Tyrannosaurus rex is the first clear case of a healed dinosaur wound, scientists say.The finding, detailed in the current issue of the journal Cretaceous Research, also reveals that the healing properties of dinosaur skin were likely very similar to that of modern reptiles.The lucky dinosaur was an adult...

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Arias Recounts Each Moment of Stabbing, Slashing

Accused murderer Jodi Arias was forced to recount today each detail of how she killed her ex-boyfriend, Travis Alexander, including re-enacting how he allegedly tackled her when she shot him, leaving her crying in her hands on the witness stand.During hours of dramatic cross-examination by prosecutor Juan Martinez, Arias bawled as he asked her about stabbing, slashing and shooting...

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Quantum skyfall puts Einstein's gravity to the test

DIVIDING a falling cloud of frozen atoms sounds like an exotic weather experiment. In fact, it's the latest way to probe whether tiny objects obey Einstein's theory of general relativity, our leading explanation for gravity. General relativity is based...

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Japan says three Chinese ships in disputed waters

TOKYO: Japan's coastguard said three Chinese surveillance ships were in the territorial waters of disputed islands in the East China Sea on Thursday.The three marine surveillance ships entered the 12-nautical-mile territorial zone off Uotsuri, one of the islands, shortly after 7:00 am (2200 GMT Wednesday), the Japan Coast Guard said in a statement.Beijing claims the Japanese-controlled...

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11 must-see videos from Mobile World Congress

The 2013 Mobile World Congress is just a day away from closing in Barcelona, Spain. Housed in a brand-new venue and bigger than ever, the show burst at the seams with everything wireless. Sure, there was a ton of new phones and tablets, but those headline devices only scratched the surface. CNET's team of reporters scoured the show floor to find everything from a GPS-enabled cane to a touchless...

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