Monday, December 22, 2014

2,000 Year Old Cooling Trend

A new study of tree ring data from Europe shows a change of -0.30 degrees Celsius per 1,000 years over the last 2,000 years.

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VIDEO: Largest Prehistoric Copper Mine

 The world's largest prehistoric copper mine was at a place called Kargaly, northeast of Caspian Sea. VIDEO: " The Largest Prehisto...