Oceans

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Titanic vs. Lusitania: Who Survived and Why?

The tragic voyages provided several economists with an an opportunity to compare how people behave under extreme conditions

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Riled up About Geoengineering

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Underwater Antarctica

"If we don't do something," says Knowlton, who has earned the nickname Dr. Doom, "we could lose all corals by 2050."

A Coral Reef's Mass Spawning

Understanding how corals reproduce is critical to their survival; Smithsonian's Nancy Knowlton investigates the annual event

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Picture of the Week—Portuguese Man o'War

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Watching Coral Sex

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Picture of the Week—Young Fish Dart by a Jellyfish

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Tiny Cameras Show Albatrosses on the Hunt

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The Eastern Pacific Black Ghost Shark

<em>Hydrolagus melanophasma</em>, a new species of fish, was named from specimens collected over the last several decades off the coast of California

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Picture of the Week—Art and the Environment Meet

As ocean water becomes more acidic, corals and shellfish must spend more energy to make their calcium carbonate shells.

A Swim Through the Ocean's Future

Can a remote, geologically weird island in the South Pacific forecast the fate of coral reefs?

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Picture of the Week—Project Pebble

The University of Cambridge Department of Engineering hosted a photography contest earlier this year, and the winners have just been announced

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Picture of the Week—Jellyfish

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Seas of Plastic

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Science News From the Smithsonian

The Kuroshio, or "Black Current," is the Pacific Ocean's answer to the Atlantic's Gulf Stream.

Borne on a Black Current

For thousands of years, the Pacific Ocean’s strong currents have swept shipwrecked Japanese sailors onto American shores

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Picture of the Week -- Coral Reefs and Climate Change

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Crocheting a Coral Reef

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Picture of the Week—Shrimp at an Undersea Volcano

Unknown in the Americas 30 years ago, lionfish have multiplied at a rate that is almost unheard of in marine history.

Invasion of the Lionfish

Voracious, venomous lionfish are the first exotic species to invade coral reefs. Now divers, fishermen—and cooks—are fighting back

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