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Jellyfish predate dinosaurs. How have they survived so long? - David Gruber

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 Archeology / Paleontology   |   Biology   |   Environmental   |   Science
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View full lesson: http://ed.ted.com/lessons/jellyfish-predate-dinosaurs-how-have-they-survived-so-long-david-gruber

Some are longer than a blue whale. Others are barely larger than a grain of sand. One species unleashes one of the most deadly venoms on earth; another holds a secret that’s behind some of the greatest breakthroughs in biology. They’ve inhabited the ocean for at least half a billion years, and they’re still flourishing. David Gruber investigates the secret powers of jellyfish.

Lesson by David Gruber, animation by Silvia Prietov.

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