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April 21, 2014 01:24 pm PDT

The soil at the bottom ofGreenland

Scientists have found 2.7-million-year-old soil at the bottom of the Greenland ice sheet. The discovery challenges what we thought we knew about how glaciers work and could have implications for the effects of climate change.







Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/TCLKRQ3xKHw/story01.htm

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