A new book recasts human social evolution as multiple experiments with freedom and domination that started in the Stone Age.
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A spider trapped in amber 99 million years ago guarded her eggs and may have helped raise her young.
For over a decade, behavioral ecologist Diane Colombelli-Négrel and colleagues have been studying how birds perceive sounds before hatching.
A century’s worth of science has helped us fend off infectious pathogens. But we have a lot to learn from the people who lived and died during epidemics.