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04 April 2009

Mass Extinctions, Ancient Viruses May Hold Clues to Life`s Origins 4APR09

Mass Extinctions, Ancient Viruses May Hold Clues to Life`s Origins
(PhysOrg.com) --

Mass extinctions occur repeatedly, though irregularly, throughout Earth`s history, and occasionally these extinctions have been devastating to life on our planet - or have they? Extinction events have sometimes accelerated the evolution of life on earth by eliminating old dominating species and making room for new ones. A new study takes this idea a step further, showing that ...

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