The dinosaur menu, as revealed by calcium

By studying calcium in fossil remains in deposits in Morocco and Niger, researchers have been able to reconstruct the food chains of the past, thus explaining how so many predators could coexist in the dinosaurs' time. This study was conducted by researchers from the CNRS, ENS de Lyon and Claude Bernard Lyon 1 University, in partnership with the French National Museum of Natural History and Sorbonne University.

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