A new study suggests that the advance and retreat of the ice sheets millions of years ago had a profound influence in the evolution and geographic distribution of many animals, including those that live today in the Arctic regions.
First analyses of the longest sediment core ever collected on land in the terrestrial Arctic has provided documentation that intense warm intervals, warmer than scientists thought possible.
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Day in Pics: 26th December
Showbiz World - December 26, 2014