Supernova Explosion May Have Caused Mammoth Extinction

A distant supernova that exploded 41,000 years ago may have led to the extinction of the mammoth, according to research that will be presented tomorrow (Sept. 24) by nuclear scientist Richard Firestone of the U.S. Department of Energy’s Lawrence Berkeley National Laboratory.

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<p><a href="http://www.physorg.com/news6734.html">Supernova Explosion May Have Caused Mammoth Extinction</a></p> <p> A distant supernova that exploded 41,000 years ago may have led to the extinction of the mammoth, according to research that will be presented tomorrow (Sept. 24) by nuclear scientist Richard Firestone of the U.S. Department of Energy’s Lawrence Berkeley National Laboratory.</p>