Uncategorized
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Space
Collider in the sky
Protons buffeted by stellar winds in the Eta Carinae star system are accelerated to energies comparable to the maximum power of the world’s biggest particle smasher.
By Ron Cowen -
Earth
Clouds warm things up
Satellite data from the last decade put hard numbers on a key and little-understood climate player.
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Space
Planet in the sky with diamonds
Scientists have discovered a Jupiter-sized orb with a mostly carbon atmosphere 1,200 light-years distant, the first time astronomers have detected such a world.
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Life
Jigsaw genetics
Fragments of a fetus's genome can be pieced together from the mother's blood to allow prenatal diagnosis of genetic diseases.
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Health & Medicine
New blood test may predict some heart risk
People carrying high levels of a protein called cardiac troponin T are more likely to have heart failure or die from cardiovascular problems, two studies show.
By Nathan Seppa -
Space
Crab nebula outbursts shock astronomers
Short-lived gamma-ray flares recently recorded from the Crab nebula supernova remnant, known for its steady emissions, are perplexing researchers and forcing them to consider new models for particle acceleration.
By Ron Cowen -
Space
Beast at galaxy core sits, lacking spin
New observations suggest that the Milky Way's central black hole rotates slowly or not at all, reinforcing its image as a gentle gravitational giant.
By Ron Cowen -
Psychology
Connected at church, happy with life
People who feel best about their lives combine religious identity with congregational friendships, a survey finds.
By Bruce Bower -
Life
Friendly fire blamed in some H1N1 deaths
A poorly targeted immune response to the 2009 pandemic flu virus caused young adults and the middle-aged to suffer more than usual.
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Math
Outstanding, superlinear cities
By a new mathematical method, New York City proves average and San Francisco exceptional.
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Physics
Light can generate lift
Researchers create a lightfoil that can push small objects perpendicularly.
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Earth
Icequake swarms portend some avalanches
By keeping an ear to the ice, scientists can predict impending glacial crack-ups two weeks in advance.