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Evolution

The impact that killed the dinosaurs also caused mass deforestation and sent the first tree-dwelling birds to extinction.

Charles Q. Choi, Contributor

New insights could improve cochlear and retinal implants.

Charles Q. Choi, Contributor

A genetic variant linked to cold sensation and migraine headaches may have helped people survive in northern climates.

Nala Rogers, Staff Writer

Studying fly sex may lead to a better understanding of addiction in humans.

Marcus Woo, Contributor

New genetic analysis suggests that major groups of fish species arose in the 10 million years after dinosaurs disappeared.

Charles Q. Choi, Contributor

Parasitoid wasps that lay eggs in other creatures may represent more species than any other group of animals.

Nala Rogers, Staff Writer

Migrating chimpanzees appear to conform to local nut-cracking culture, even when they know a better way.

Nala Rogers, Staff Writer

Fossilized tracks suggest lizards were bipedal 110 million years ago.

Marcus Woo, Contributor

A 108-year-old museum specimen helps answer evolutionary questions about the extinct marsupial carnivore.

Kimberly Hickok, Contributor

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