Deep Look

Why Jellyfish Float Like a Butterfly—And Sting Like a Bee

Jellyfish don’t have a heart, or blood, or even a brain. They’ve survived five mass extinctions. And you can find them in every ocean, from pole to pole. What’s their secret? Keeping it simple, but with a few dangerous tricks.

Why Jellyfish Float Like a Butterfly—And Sting Like a Bee

2m 55s

Jellyfish don’t have a heart, or blood, or even a brain. They’ve survived five mass extinctions. And you can find them in every ocean, from pole to pole. What’s their secret? Keeping it simple, but with a few dangerous tricks.

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