Gene wars rage inside our cells, with invading DNA regularly threatening to subvert our human blueprint. Now, building on Nobel-Prize-winning findings, UC San Francisco researchers have discovered a molecular machine that ...
Biotechnology
Feb 14, 2013
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The genomes of birds are riddled with DNA sequences from viruses, according to a study to be published on October 16 in mBio, the online open-access journal of the American Society for Microbiology. Analysis of these viral ...
Biotechnology
Oct 16, 2012
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We live in a petroleum-based society, and the oil we use comes from plants that were buried eons ago and changed under pressure and high temperatures. As countries across the globe face dwindling oil supplies and the environmental ...
Materials Science
Apr 12, 2012
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If scientists find microbes in a frigid lake two miles beneath the thick ice of Antarctica, it will illustrate once again that somehow life finds a way to survive in the strangest and harshest places.
Plants & Animals
Feb 9, 2012
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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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This weekend, as millions of people gaze up at the stars and wait for Perseid meteors to streak across the sky, one would hardly think that these awe-inspiring "shooting stars" are also a source of atmospheric pollution.
Space Exploration
Aug 9, 2013
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