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What Dinosaurs Teeth Reveal About Prehistoric Air Quality
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The fossilized teeth of dinosaurs have been for decades a key source for knowing their diet, their age, and even their position in the evolutionary chain. But now, a new study by the University of Göttingen in Germany shows that these teeth also retain essential clues about the atmospheric composition of millions of years ago. Thanks to the stability of tooth enamel, which acts as a sort of biological “black box”, scientists have been able to de…
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