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

The Greenland Ice Sheet was smaller -- as small as it has ever 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://www.eurekalert.org/pub_releases/2013-11/uab...