Quality sleep seems harder to come by for minorities

By DOUGLAS QUENQUA, Associated Press August 25, 2012, 04:13 PM

Studies keep finding a racial gap, but they don't explain why whites tend to sleep better.

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Mars rover passes driving test, looks to hit road

By ALICIA CHANG , Associated Press August 23, 2012, 02:26 AM

Now that Curiosity passed its driving test on Mars, the six-wheel NASA rover set its sights on longer treks.

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Mars rover Curiosity prepares for test drive

By ROBERT JABLON , Associated Press August 22, 2012, 03:32 AM

Scientists were preparing to send Curiosity on its first test drive over the billion-year-old rocks of Mars and said a busted wind sensor wouldn't jeopardize its mission of determining whether life could exist there.

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Epic patent trial over iPhone technology wraps up

By PAUL ELIAS , Associated Press August 22, 2012, 02:55 AM

Jury deliberations were scheduled to begin Wednesday in the multibillion-dollar patent trial involving the world's biggest smartphone companies.

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Digital Life: Samsung's new tablet straining to do it all

By DAVID POGUE, Associated Press August 21, 2012, 10:34 PM

On paper, Samsung's Galaxy Note 10.1 boasts an impressive array of features and capabilities. But bigger isn't always better.

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Feds, University of Michigan test cars that can communicate

By TOM KRISHER , Associated Press August 21, 2012, 06:07 PM

In a few weeks, about 2,800 cars, trucks and buses will start talking to each other on the streets of Ann Arbor, Mich., in a giant experiment that government officials are hoping will lead to safer roads.

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Like NASA rover, family switches over to Mars time

By ALICIA CHANG , Associated Press August 19, 2012, 07:02 PM

For one family, an exotic summer getaway means living on Mars.

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NASA rover Curiosity shoots a Mars rock with laser

By Associated Press August 19, 2012, 04:06 PM

NASA's Curiosity rover has zapped its first Martian rock, aiming its laser for the sake of science.

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Science briefs: Blood type may affect heart risk

By Associated Press August 18, 2012, 04:26 PM

Potentially good news for the 45 percent of Americans who have Type O blood: Researchers said that those people appear to have a slightly lower risk of developing heart disease than those with Type A, B or AB blood.

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New tool helps map bat calls

By Associated Press August 17, 2012, 11:21 PM

A new online tool, called iBatsID, will help researchers classify and track various bat species across Europe. Looking at bats offers key information about biodiversity. "Bats are like a heart monitor for the environment," said Charlotte Walters of the Zoological Society of London. "If bat populations are declining, we know that something is wrong." NEW YORK TIMES

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Study off Mass. coast finds noise harming whales

By JAY LINDSAY , Associated Press August 16, 2012, 06:40 PM

Researchers say increasing amounts of underwater noise, largely from shipping traffic, are enveloping rare right whales in "acoustic smog" that makes it harder for them to communicate.

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Research: Butterflies mutated after Japan's nuclear leaks

By ELAINE KURTENBACH , Associated Press August 16, 2012, 06:39 PM

Radiation that leaked from the Fukushima nuclear plant following last year's tsunami caused mutations in some butterflies — including dented eyes and stunted wings — though humans seem relatively unaffected, researchers say.

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In surprise, U.S. carbon dioxide emissions drop to a 20-year low

By KEVIN BEGOS, Associated Press August 16, 2012, 06:34 PM

Experts credit the drop to power plant operators switching from coal to natural gas.

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A star (galaxy) is born

By SETH BORENSTEIN, Associated Press August 15, 2012, 08:05 PM

A gigantic galaxy - with a cosmic supermom - is discovered. Summary.

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Curiosity on Mars

By SCOTT GOLD, Associated Press August 11, 2012, 05:41 PM

A mysterious photo stirred debate over whether NASA rover captured its own ride crash-landing. Said one scientist: "Something was out there."

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Ancient energy boost, brewed from leaves and bark

By Associated Press August 11, 2012, 05:28 PM

Long ago, at a pre-Columbian center across the Mississippi River from present-day St. Louis, people were imbibing a caffeinated beverage known as "black drink." The chemical residues found in their porous, ceramic mugs tell the tale. For the first time, researchers have found direct evidence that the use of drink goes back as early as A.D. 1050 at what is now Cahokia, Ill. The chemical analysis identified the primary ingredients: caffeine, theobromine and ursolic acid -- or toasted holly leaves and bark. NEW YORK TIMES

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Mars rover to get brain transplant

By Associated Press August 11, 2012, 04:59 PM

Curiosity is going to have a four-day "brain transplant," an update that will give it the ability to use the geochemistry lab's sampling system, and to drive. The update had to wait until the rover landed because its processor, built years ago to withstand the harsh environment of interplanetary space, is limited, said senior software engineer Ben Cichy. "My phone has a processor that is 10 times as fast as the processor that's on Curiosity and has 16 times as much storage. ... And my phone doesn't have to land anything on Mars."

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Science notes: Migration study of North African Jews

By Associated Press August 11, 2012, 04:58 PM

North African Jews are more closely related to Jews from other parts of the world than they are to most of their non-Jewish neighbors in North Africa, a study has found.

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Study may help predict ice melt

By Associated Press August 10, 2012, 09:29 PM

Greenland's ice sheet thinning at uneven pace, scientists find

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NASA rover sends back colorful picture of Mars

By ALICIA CHANG , Associated Press August 09, 2012, 08:46 PM

The photo-snapping rover Curiosity returned another postcard from Mars on Thursday — the first 360-degree color panorama of Gale Crater.

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