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Travel the world's oceans in search of squid, deep-sea masters of transformation, in this multimedia feature.
See a diver studying an octopus deep in New Zealand's Kaikoura Canyon.
Meet the menacing sharks, giant octopuses, and bizarre eels of the deep sea in this Crittercam feature.
Watch a researcher attempting to tag a giant Pacific octopus in Washington's Puget Sound.
Explore the signs of and solutions to the world’s water crisis.
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