instinct

Science

Lampreys offer clues to the origin of our fight-or-flight instinct

Lampreys look like something out of a horror movie, with their sucky mouths chock full of teeth, eel-like bodies, and…

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Science

Killer instinct drove evolution of mammals’ predatory ancestors

The evolutionary success of the first large predators on land was driven by their need to improve as killers, researchers…

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