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A spiraled diatom with spines.
Slideshow

The Ocean Under the Microscope: Images from Nikon Small World

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The dwarf lantern shark sits in a human hand.
Article

5 Reasons to Revere, Not Fear, the Shark

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A shell placed in seawater with increased acidity slowly dissolves over 45 days.
Overview

Ocean Acidification

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Looking through this iceberg's reflection in the Antarctic water, you can see the iceberg below the surface—some 90% of its total volume.
Overview

The Arctic and The Antarctic

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A frame-by-frame view of a Great White Shark breach.
Slideshow

Photo Sequence of Great White Shark Hunting

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a lamprey's suction mouth opens to show a disk of pointed teeth
Article

7 Ocean Parasites Worth Celebrating on World Parasite Day

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a close up of bacteria
Overview

Marine Microbes

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two mangrove trees in the crashing waves
Overview

Mangroves

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Waves breaking on the shore
Overview

Currents, Waves, and Tides

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Great hammerhead in Bimini, Bahamas.
Overview

Sharks

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Timeline

Deep-Sea Submersibles

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