Greenland's shrunken ice sheet: We've been here before

Think Greenland’s ice sheet is small today? It was smaller — as small as it's been in recent history — from 3-5,000 years ago, according to scientists who studied the ice sheet’s history using a new technique they developed for interpreting the Arctic fossil record.

Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/4...