10 million years needed to recover from mass extinction
(Phys.org) -- It took some 10 million years for Earth to recover from the greatest mass extinction of all time, latest research has revealed.
Space & Earth / Earth Sciences
May 27, 2012 |
4.4 / 5 (8) |
21
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Carbon dioxide emissions reach record high
Emissions of heat-trapping carbon dioxide reached an all-time high last year, further reducing the chances that the world could avoid a dangerous rise in global average temperature by 2020, according to the International ...
May 29, 2012 |
4.1 / 5 (8) |
26
Meteorite hunt goes on, needs public's help
(Phys.org) -- A University of California, Davis, geologist is appealing for public help in tracking down pieces of the meteorite that blew up over El Dorado County on April 22.
Space & Earth / Space Exploration
May 28, 2012 |
5 / 5 (3) |
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