Life & Evolution

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Primate jaw

ASIAN SURVIVOR  This lower left jaw comes from one of six new fossil primate species unearthed in southern China. The fossils’ discoverers suspect dropping temperatures and declining rainfall around 34 million years ago changed the course of primate evolution in Asia.

lab images of embolisms in leaf veins

DEATH BY BUBBLE Mundane tools beat fancy X-ray setups in tracking how invading air bubbles kill leaves during drought, as seen in (clockwise from top) a Pteris fern, oak leaf and Adiantum fern.

swimming hole in Oregon

SWIMMER, BEWARE  In the summer of 1966, Science News warned readers of the dangerous bacteria behind leptospirosis lurking in recreational water holes. It, and a deadly amoeba, are still risks today. 

Life & Evolution

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