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Crocodiles can have extra growth cycles in a year – why this matters for estimating the age of dinosaurs

By Anusuya Chinsamy-Turan, Professor, Biological Sciences Department, University of Cape Town
Maria-Eugenia Pereyra, Postdoctoral fellow, University of Cape Town

Growth marks in bones indicate the age of some animals. But a new study leaves researchers questioning this method for dinosaurs.

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