(Phys.org) —What happened the last time a vegetated Earth shifted from an extremely cold climate to desert-like conditions? And what does it tell us about climate change today?
May 20, 2013
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(Phys.org) —Geneticists Richard Gordon of the Gulf Specimen Marine Laboratory in Florida and Alexei Sharov of the National Institute on Aging in Baltimore have proposed, in a paper uploaded to the preprint ...
Apr 18, 2013
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Every winter, weather forecasters talk about the snow cover in the northern U.S. and into Canada as a factor in how deep the deep-freeze will be in the states. A new study by researchers at the University of Georgia indicates ...
Jun 24, 2011
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Danish researcher has solved one of the great mysteries of our geological past: Why the Earth's surface was not one big lump of ice four billion years ago when sun radiation was much weaker than today. Scientists have presumed ...
Mar 31, 2010
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Thirty tigers have died in the country's various sanctuaries and reserves this year. With many of the deaths being suspect, the state has decided to take some action.
Jun 08, 2009
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(PhysOrg.com) -- Scientists have long wondered how tiny silicate crystals, which need sizzling high temperatures to form, have found their way into frozen comets, born in the deep freeze of the solar system's ...
May 13, 2009
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