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Tardigrades, which are usually less than 1 mm long, can be found in almost every...
Soft Coral Close-Up
These neon balloons weren't blown up for a party: they are the colorful tentacles...
Diving in Guam
Dr. Valerie Paul is studying chemical defenses that may protect coral reefs from...
Exploring a Reef
A scuba diver explores elkhorn corals (Acropora palmata) growing on a tropical...
Plastic trash floats in the waters off the Smithsonian's Carrie Bow Cay field...
Diver Cleaning Up Reef
A diver cares for the reef by cleaning up discarded fishing gear and garbage. Even...