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Life & Evolution

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SNOOZING JELLY  Some Cassiopea jellyfish regularly enter a sleeplike state, a new study finds.

tadpole

BUSY BRAIN The still-forming brain of a frog sends important messages to the body. When the brain is missing, the body doesn’t develop properly, a new study suggests.

Epipedobates anthonyi

SMALL BUT DEADLY  The potent toxin epibatidine was first discovered in 1974, when it was isolated from the skin of the phantasmal poison frog, Epipedobates anthonyi (one shown).

Life & Evolution

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