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A screenshot of some of Smithsonian's marine story windows in Google Earth
Article

What Lives in the Gulf of Mexico? Exploring Marine Collections on Google Earth

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On Moorea, an island in French Polynesia, researchers are striving to complete a biocode—a DNA catalog of every life form big enough to pick up with tweezers.
Overview

Scientists Catalog Life on the Island of Moorea

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Pearly nacre of a nautilus shell
Photo

Osmena Pearl

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Octopus, squid, cuttlefish, and nautilus all have differently shaped pupils— an octopus has a rectangular pupil.
Photo

Octopus Eyes

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Octocorals dominated the seafloor on Chris Mah's Okeanos mission to Johnston Atoll in the remote Pacific Ocean.
Article

Deep-sea octocorals: An ecosystem of their own

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Horseshoe Crab in Stage Harbor, Massachusetts
Article

This Flu Season, Thank a Horseshoe Crab

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an oyster reef at low tide
Article

Oysters as a Keystone Species in the Chesapeake Bay

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A photo of Oceana's ice class research vessel, the Hanse Explorer, on the Baltic Sea.
Slideshow

Biodiversity in the Baltic Sea

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A cuttlefish eye
Photo

Dazzling Eyes

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Scientists discovered this 1.5-m (5-ft) tall yellow bamboo coral in 2007 off the coast of Hawaii in 1,459 m (4,787 ft) of water.
Photo

New Bamboo Coral Discovery

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A nudibranch showing a closeup of their fleshy, tentacle-like growths, called cerata.
Photo

Aeolid Nudibranch Defense

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Nine small invertebrates held on two fingers.
Article

On Biodiversity: Understanding its Meaning and Importance

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