NPR News: Here's why 6,000 octopuses like to be under the sea at an "octopus garden"

Here's why 6,000 octopuses like to be under the sea at an "octopus garden"
Over 6,000 octopuses have been found huddling around an extinct volcano deep in the Pacific Ocean near California, and researchers now think they understand why the octopuses find it so cozy.

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