DNA from sediment reveals epic history of Denisova Cave

In a landmark study, scientists from Australia, Germany and Russia have used ancient DNA recovered from sediment samples from Denisova Cave in Siberia to reveal a detailed occupational history of this unique site by three ...

Deep-sea drillers investigate shedding of Antarctic icebergs

The 5.4 million square-mile Antarctic ice sheet is by far the greatest mass of fresh water on earth. If all it were to melt, it would raise global sea levels some 70 meters (220 feet), driving human civilization inland, and ...

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