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Life & Evolution

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hematite

SIGNS OF LIFE  In rocks left over from ancient hydrothermal vents, these microscopic tubes of hematite, an ore of iron, may be remnants of early microbes.

fishing boat full of anchoveta

Historically, the Peruvian anchoveta was a main source of protein for people in Peru. Today, though, most of the catch is turned into fishmeal that feeds animals.

Bee on a tiny ball

PLAY BALL  A buff-tailed bumblebee rolls a yellow ball toward a goal as researchers explore just how odd a task bees can learn and how much observing others helps them succeed.

Life & Evolution

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