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They may be brainless and heartless, but jellyfish have a lot to teach us about being human.
Cell biologist Dorothy Spangenberg—aka the Jellyfish Lady—has studied the development of jellyfish since the 1960s. She’s observed the animals in the field, cultured them in her lab, and even sent them into space. In this video she reveals the key to ageless living (for one colony of jellyfish at least). What’s the secret?