Why does natural selection appear to happen slowly on long timescales and quickly on short ones? A multigenerational study of four lizard species addresses biology’s “paradox of stasis.” James Stroud ...

Evolution is incredibly diverse, but at the same time super limited. All species must honor basic physics and unassailable biological limits (we’ll never see, for example, an animal with wheels… or at ...

When Julie Haberle attended school in Edina, Minn., she never questioned the textbook example of evolution, illustrated by a fish crawling out of the water to populate the land. That acceptance began ...

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