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Scientists have obtained a detailed temperature record for tropical central Africa over the past 25,000 years. An entirely
new method was developed to reconstruct the history of land temperatures based on the molecular fossils of soil bacteria.
This method was applied to a marine sediment core taken in the outflow of the Congo River, which contained eroded land
material and microfossils from marine algae. The results show that the land environment of tropical Africa was cooled
more than the adjacent Atlantic Ocean during the last ice-age. [Source: Netherlands Organization for Scientific Research]
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