8,200-year-old cooling is analyzed

Canadian scientists studying ice core records are questioning current theories about the rapid cooling of the Northern Hemisphere 8,200 years ago.

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<p><a href="http://www.physorg.com/news106846404.html">8,200-year-old cooling is analyzed</a></p> <p>Canadian scientists studying ice core records are questioning current theories about the rapid cooling of the Northern Hemisphere 8,200 years ago. </p>