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Underwater astonishments - David Gallo

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TED Talk

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David Gallo shows jaw-dropping footage of amazing sea creatures, including a color-shifting 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.

At the time this video was filmed (2007), Gallo estimates what percentage of the Earth's oceans had been investigated?

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