Life & Evolution

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a broad-nosed pipefish

BREATHLESS  Among the broad-nosed pipefish (shown), males carry fertilized eggs to term inside a long, narrow brood pouch with mediocre oxygenation or worse.

Grazing cow near elephants

Cattle graze along with wild herbivores, including elephants, on the plains of Kenya, but they tend to have different plants on their menus, a new study finds.

chimp

Chimps living in an African sanctuary, including this one, participated in experiments indicating to researchers that these animals understand the process of cooking. Eating of cooked food may have begun long before the start of controlled fire use, the investigators speculate.

Life & Evolution

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