Ancient Bison Teeth Provide Window on Past Great Plains Climate, Vegetation

A University of Washington researcher has devised a way to use the fossil teeth of ancient bison as a tool to reconstruct historic climate and vegetation changes in America's breadbasket, the Great Plains.

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<p><a href="http://www.physorg.com/news74186087.html">Ancient Bison Teeth Provide Window on Past Great Plains Climate, Vegetation</a></p> <p>A University of Washington researcher has devised a way to use the fossil teeth of ancient bison as a tool to reconstruct historic climate and vegetation changes in America's breadbasket, the Great Plains.</p>