Exploding Sea Cucumber Butt Threads Are a New Material

Exploding Sea Cucumber Butt Threads Are a New Material

Whoever named the sea cucumber after a vegetable didn’t give it enough credit. Yes, sea cucumbers are soft, warty tubes that scoot eyelessly along the seafloor. But they aren’t helpless. Some secrete a poison that’s deadly to other animals. And some, when threatened, shoot sticky threads out of their anuses to tangle up predators.

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