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Animal behavior

Tube-lipped wrasses overcome coral's defenses with bizarre puckered lips.

Nala Rogers, Contributor

Study shows how collective cooperation can develop in systems even when benefits are not obvious to individuals.

Yuen Yiu, Staff Writer

A one-legged stance doesn't need much effort.

Marcus Woo, Contributor

Scientists find that soybeans attract fewer flocking birds than wheat or corn.

Teresa L. Carey, Contributor

Birds reach amazing heights without flapping their wings.

Karin Heineman, Executive Producer

Toothache may have driven famous Tsavo lions to prey on humans.

Nala Rogers, Staff Writer

Predators steer clear of biting swarm of defenders.

Nala Rogers, Staff Writer

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

Nala Rogers, Staff Writer

Old females decide when and where their tribe will travel.

Nala Rogers, Staff Writer

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