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Nuclear bomb in Bikini Atoll
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Nuclear Bombs on the Coral Reef

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Nine small invertebrates held on two fingers.
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A Handful of Biodiversity

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Relatively slow moving, juvenile plane-head filefish Monacanthus hispidus (Monacanthidae) travel along with the algae. They pick off and eat small animals as they move around in the rotating sargassum ball. Adult filefish only grow to be about 11
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Juvenile plane-head filefish

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When it comes to many of our once-favorite seafoods, there aren't always plenty more fish in the sea. In fact, some studies estimate that up to 90 percent of large predatory fish have disappeared since humans began heavy fishing.
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Be a Picky Eater

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In this photo of a shallow coral reef in the Pacific there are three species of forams. Their colors come from the symbiotic algae that live inside the foram shells.
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Shallow Coral Reef Foraminifers

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A diagram of a shark's six highly refined senses: smell, hearing, touch, taste, sight, and electromagnetism
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Shark Senses

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Great White Sharks breach to hunt -- with split-second timing they grab their prey in one swift snatch. Follow the whole breaching action in this slideshow.
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Breaching Great White Shark on the Hunt

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Photograph of a transparent polka-dotted squid in the dark ocean.
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Cockatoo Squid

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The research submersible Alvin uses bright lights to illuminate the dark seafloor.
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Human Occupied Vehicle (HOV) Alvin

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This Japanese research ship drills into the ocean floor to learn about Earth’s history and structure.
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Deep Sea Drilling Vessel Chikyu

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It took a while for scientists to identify what made this spiral track.
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Spiral Track on Ocean Floor

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The suckers of this red octopod flash on and off.
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Glowing Sucker Octopus

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