Why does this animal never age? - Raymond Adkins
Why does this animal never age? - Raymond Adkins with tags hydra, hydras, hydra regenerate, hydra regeneration, abraham trembley, cnidaria, immortal, immortality, immortal hydra, polyp, medusa, medusa stage, hydra reproduction, freshwater, ponds, photosynthesis, algae, green hydra, brown hydra, regeneration, regenerative ability, hydra tentacle, stem cells, hydra stem cells, hydra cells, cellular damage, cell regeneration, animals, science, biology, education, animation, raymond adkins, sharon colman, ted, ted-ed, ted ed, teded, ted education
Explore the incredible regenerative abilities of hydras, and get to know their biology to find out if they're really immortal.
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In 1740, naturalist Abraham Trembley found something shocking in pondwater. He couldn't tell if it was a plant or an animal, though its way of moving and consuming things seemed animal-like. But when he cut parts off or even split it in two, it regenerated, which was decidedly plant-like. So, what was this miraculous creature? Raymond Adkins explores the near-immortal biology of the hydra.
Lesson by Raymond Adkins, directed by Sharon Colman.
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