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Life & Evolution

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a painted lady butterfly (Vanessa cardui) resting on vegetation

GOING THE DISTANCE  Painted ladies travel 12,000 km each year, farther than any known butterfly migration.

Asian common toad

The skin of the Asian common toad is laced with a deadly toxin. A new study finds that most predators in Madagascar that might eat the toad lack the genetic mutations necessary to make them immune to the toxin.

a baobab tree

BEFORE THE FALL  African baobab trees may be in trouble. After living some 1,400 years, this specimen in Botswana — called the Chapman tree — toppled and died in 2016.

Life & Evolution

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