Injured dinosaur left behind unusual footprints

A set of dinosaur footprints in Spain has unusual features because the dinosaur that made the tracks had an injured foot, according to a study published April 6, 2022 in the open-access journal PLOS ONE by Carlos M. Herrera-Castillo ...

Ankle and foot evolution gave mammals a leg up

The evolution of ankle and foot bones into different shapes and sizes helped mammals adapt and thrive after the extinction of the dinosaurs, a study suggests.

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