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Image of the Day: Tanzanian Twists

These planktonic protist fossils, found in cores drilled in sediments in East Africa, are about 40 million years old.

The Scientist Staff

CARDIFF UNIVERSITY, PAUL PEARSON(See E. Anagnostou et al., “Changing atmospheric CO2 concentration was the primary driver of early Cenozoic climate,” Nature, 2016.)

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