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Underwater astonishments - David Gallo
View full lesson: http://ed.ted.com/lessons/underwater...
David Gallo shows jawdropping footage of amazing sea creatures, including a colorshifting cuttlefish, a perfectly camouflaged octopus, and a Times Square's worth of neon light displays from fish who live in the blackest depths of the ocean.
Talk by David Gallo.
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