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Published online 4 April 2003 | Nature | doi:10.1038/news030331-10
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Drilling to cast light on climate change
Cores from two African lakebeds will take researchers back in time.
Some 30 scientists from a dozen nations are preparing to bore two holes, each a kilometre deep and 6 centimetres wide, in the bed of West Africa's Lake Bosumtwi. Late next year, they hope to pull up sediments that bear witness to the region's alternating rainy and dry seasons over the past 1 million years.
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