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A large black grouper swims amidst coral.
Article

Protecting the Most Vulnerable Fish After an Oil Spill

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An unidentified earplug from the National Museum of Natural History collection.
Article

Whale Earwax: What You Can Learn From Strange Collections

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An 'austral' or southern breeder, Great Shearwaters (Ardenna gravis) migrate from breeding islands far to the south in the Atlantic before traveling to the Northern Atlantic to feed.
Article

12,000 Miles to Go: Migrating with Shearwaters

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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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The Havre volcano lies three thousand feet (900 meters) beneath the sea surface.
Article

The Mystery of an Underwater Volcano

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A blue parrotfish hides among coral.
Article

Tough Teeth and Parrotfish Poop

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a colored shakemap from the M5.8 Virginia Earthquake depicts the shake range and epicenter of the earthquake
Article

A Guide to Earthquake Lesson Plans

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On average, Arctic sea ice has decreased by four percent per decade since the late 1970s.
Overview

Sea Level Rise

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A tree that shows the different relationships between bacteria, archaea, and eukaryotes.
Interactive

Marine Microbe Tree of Life

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