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Thumbnail of a cartoonish octopus.
Video

Why the Octopus Brain is so Extraordinary

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Blue whale skull being installed at National Museum of Natural History.
Article

When Did Today’s Whales Get So Big?

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Very colorful array of jellyfish.
Video

Jellyfish predate dinosaurs. How have they survived so long?

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Like other cephalopods, the common cuttlefish (Sepia officials Linnaeus, 1758) possesses serious brain power.
Article

So You Think You're Smarter Than a Cephalopod?

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The Komodo National Park site in Indonesia was inscribed on the World Heritage List in 1991. The site hosts "Komodo dragons" (Varanus komodoensis), a unique species that exists nowhere else in the world and is of great interest to scientists studying evolu
Article

Tunicates—Not So Spineless Invertebrates

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An underwater photo of sharks
Article

Why Are We So Afraid of Sharks? It Could Be the Background Music

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Two nurse sharks hover over a baited cage
Lesson Plan

Just Jelly: ecological role of gelatinous zooplankton

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Two nurse sharks hover over a baited cage
Lesson Plan

Self Contained Gulf Oil Spill Kit

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"Barely a room onboard escaped being turned into a part of the sequencing laboratory," wrote Rob Edwards in a blog post about doing genomic sequencing at sea.
Article

Sequencing at Sea: Studying Small Things Using Big Equipment

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A white crabeater seal resting on an iceberg.
Article

Life in the Field

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A dive safety officer keeps a close eye on divers from the surface.
Article

Diving in the Middle of Nowhere

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Dive through the zones of the ocean to the deep ocean bottom where many strange species live, and there are many yet to be discovered. Explore them in the Deep Ocean Exploration section.
Article

What We DON'T Know About the Deep Sea

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