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Evolution

Dogs and people with Williams syndrome may both owe their sociable personalities to changes in the same genes.

Nala Rogers, Staff Writer

Analysis of dinosaur fossils showed that some parents warmed their eggs with body heat.

Joel Shurkin, Contributor

Researchers examine 30-million-year-old whale fossils to uncover how these marine mammals ate before baleen.

Olivia Trani, Contributor

To human brains, the sight and smell of sickness are a bigger deal than the sum of their parts.

Nala Rogers, Staff Writer

Millions of years before humans existed, insects cultivated fungus that could not survive in the wild.

Nala Rogers, Staff Writer

New findings suggest current oxygen-producing bacteria borrowed the ability from a possibly extinct lifeform.

Charles Q. Choi, Contributor

Old females decide when and where their tribe will travel.

Nala Rogers, Staff Writer

Evolutionary psychologist Gad Saad explains how the biological imperative to spread one's genes underlies our rituals of romantic love.

Nala Rogers, Staff Writer

Pesticide-treated bed nets trigger rapid evolution and resistance in one common species of sub-Saharan African mosquito, new study finds.

Nala Rogers, Staff Writer

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