The backbone is the Swiss Army Knife of mammal locomotion. It can function in all sorts of ways that allows living mammals to have remarkable diversity in their movements. They can run, swim, climb ...
They took CT scans of the spine of reptiles, mammals, and fossil nonmammalian synapsids to get 3D reconstructions of key portions of their backbones to see their shape. They then used statistical ...
Mammals, including humans, stand out with their distinctively upright posture, a key trait that fueled their spectacular evolutionary success. Yet, the earliest known ancestors of modern mammals more ...
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