David Gallo: Underwater astonishments

In the following video, oceanographer David Gallo shows jaw-dropping footage of amazing sea creatures, including a shape-shifting cuttlefish, a pair of fighting squid, and a mesmerizing gallery of bioluminescent fish that light up the blackest depths of the ocean. He focuses on the work of two scientists: Edith Widder at the Ocean Research & Conservation Association, and Roger Hanlon at the Marine Biological Lab. Enjoy the show!

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