From the North Pole to the Arctic Ocean, the frozen soils within this region keep an estimated 1,672 billion metric tons of carbon out of the Earth's atmosphere. This sequestered carbon is more than 250 times the amount of ...
Cell & Microbiology
Nov 6, 2011
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One of the most comprehensive analyses yet done of the ancient history of insect-borne disease concludes for the first time that malaria is not only native to the New World, but it has been present long before humans existed ...
Cell & Microbiology
Nov 2, 2011
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(PhysOrg.com) -- Gale crater has been sitting just below the equator of Mars, minding its own business, for at least three and half billion years. But in August 2012, a capsule is going to come screaming out of the sky, then ...
Space Exploration
Oct 19, 2011
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(PhysOrg.com) -- NASA's Dawn spacecraft has returned the first close-up image after beginning its orbit around the giant asteroid Vesta. On Friday, July 15, Dawn became the first probe to enter orbit around an object in the ...
Space Exploration
Jul 19, 2011
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(PhysOrg.com) -- At the heart of every comet lies a remnant of the dawn of the solar system. Or is that remnants? Astronomers don't know, but the answer would give them a clearer picture of exactly how comets were born eons ...
Space Exploration
May 17, 2011
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