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Received today β€” 14 February 2026
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Searching for dinosaur secrets in crocodile bones

5 February 2026 at 06:00
By looking at thin slices of crocodile bones, University of Cape Town paleobiologist Anusuya Chinsamy-Turan has concluded that researchers may have been overestimating some dinosaur ages. "It changes how we think about dinosaur growth," she says.

Until now, estimating how old a dinosaur was when it died has been a fairly simple process: Count up the growth rings in the fossilized bones. But new research into some of dinosaurs' living relatives, like crocodiles, suggests that this method may not always work.

(Image credit: Tommy Trenchard for NPR)

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