Are you a thrill seeker? You might live longer

By PAT BRENNAN, ScienceNOW January 04, 2013, 11:44 PM

A gene variant that may predispose some to have vigorous lifestyles found more frequently among old.

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Hubble shines a light on the universe's first stars

By YUDHIJIT BHATTACHARJEE, ScienceNOW December 29, 2012, 04:42 PM

Like a ship approaching a distant beacon, astronomers are getting closer and closer to the cosmic dawn, the time in the universe's history when the first stars formed.

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Science notes: Gene could become 'biological pacemaker'

By ScienceNOW December 29, 2012, 04:36 PM

A single gene, inserted into the apex of the heart, can convert normal cardiac muscle cells into those that control its electrical function, a study found.

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Science notes: Sugar might reduce babies' vaccine pain

By ScienceNOW December 22, 2012, 04:01 PM

Giving a bit of sugar to a baby about to get a shot might reduce the pain, a large review of studies suggests.

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Really aged cheese: Scientists find evidence of it 7,500 years ago

By ScienceNOW December 22, 2012, 03:58 PM

Little Miss Muffet could have been separating her curds and whey 7,500 years ago, said a study that finds the earliest solid evidence of cheese-making.

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Science notes: Efficacy of tobacco taxes is tied to gene variation

By ScienceNOW December 15, 2012, 06:49 PM

Tobacco use has declined sharply since the 1960s, but for the past 20 years about 20 percent of the population has continued to smoke -- despite the imposition of steep tobacco taxes in many states.

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Could this be earliest dino?

By ScienceNOW December 15, 2012, 06:44 PM

Researchers may have discovered the earliest dinosaur yet, or at least its closest relative. The creature, named Nyasasaurus parringtoni, was the size of a Labrador retriever but with a 5-foot-long tail.

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Military's version of the shuttle launched on 3rd secret mission

By ScienceNOW December 11, 2012, 11:12 PM

CAPE CANAVERAL, FLA. - The military's top-secret version of the space shuttle was launched into orbit on Tuesday for a repeat mystery mission, two years after making the first flight of its kind.

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Scientists seek life far below Antarctica

By ALEX MORALES, ScienceNOW December 11, 2012, 07:07 PM

British team will drill 2 miles using hot water to reach underground lake.

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Science briefs: Less pollution may mean more living

By ScienceNOW December 08, 2012, 05:03 PM

A new study links even small reductions in fine particle air pollution to increased life expectancy. Researchers who compared data from 545 U.S. counties found that a drop in fine particulate matter, known as PM2.5, between 2000 and 2007 corresponded with an average rise in life expectancy of 0.35 of a year. The study, led by researchers at the Harvard School of Public Health, is described as the largest to date to find public health benefits from ongoing reductions in U.S. air pollution levels.

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Moon 'broken up and shattered'

By ScienceNOW December 08, 2012, 04:34 PM

Moon 'broken up and shattered'

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Loss of ice contributing to rise in sea levels

By ScienceNOW December 01, 2012, 04:22 PM

The loss of ice covering Greenland and Antarctica has accelerated over the past 20 years, contributing substantially to sea level rise, said a study conducted by 26 laboratories around the world.

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Discovery of remains fuels royal debate

By ANTHONY FAIOLA, ScienceNOW December 01, 2012, 04:14 PM

Unearthed bones thought to be those of long-lost Richard III are stirring up questions about his legacy.

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Science notes: U.S. birthrate drops to lowest level since 1920

By ScienceNOW December 01, 2012, 04:14 PM

The U.S. birthrate plunged last year to a record low, with the decline being led by immigrant women hit hard by the recession, according to a study by the Pew Research Center.

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Is the Grand Canyon as old as dinosaurs?

By ERYN BROWN, ScienceNOW December 01, 2012, 04:13 PM

A study renews the debate about its age and how the American West was formed.

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U.S.-size melt has Arctic ice at record low

By ScienceNOW November 28, 2012, 07:27 PM

An area of Arctic sea ice bigger than the United States melted this year, according the U.N. weather agency, which said the dramatic decline illustrates that climate change is happening "before our eyes."

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UN agency: 2012 warmer than normal despite La Nina

By KARL RITTER , ScienceNOW November 28, 2012, 05:49 AM

Despite early cooling from La Nina, 2012 is on track to become one of the top 10 hottest years on record, with the U.S. experiencing extreme warmth and Arctic Sea ice shrinking to its lowest extent, the U.N. weather agency said Wednesday.

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Mars scientists keeping lid on discovery

By KENNETH CHANG, ScienceNOW November 27, 2012, 09:35 PM

Fossils? Living microbes? Organics? A NASA spokesman says rover's findings will be "interesting" rather than "earthshaking."

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Scientists get a clear look at Mars dust storm

By ScienceNOW November 26, 2012, 08:51 PM

NASA's Mars Reconnaissance Orbiter and two planet-based explorers are tracking a huge dust storm, offering scientists an opportunity to study the planet's weather like none they've had before.

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Einstein's brain was indeed exceptional

By MICHAEL BALTER, ScienceNOW November 24, 2012, 06:55 PM

How did Albert Einstein become a genius? Many researchers have assumed that it took a very special brain to come up with the theory of relativity and other stunning insights that form the foundation of modern physics.

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