Downhill thrills Skip navigation Search Avatar image 0:41 / 2:55 Why Jellyfish Float Like a Butterfly—And Sting Like a Bee | Deep Look Submitted by Smartypants1 on 2 July 2023 Video Embed Body 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.
