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Map of the Ross Sea
The Ross Sea, a 1.9 million square mile (3.6 million square km) stretch of ocean...
Dr. Martha Nizinski holds a specimen of a fan sponge (Phakellia sp.) collected at a...
Ice divers use a quadrat to study the density of creatures living on the underside...
Diving in Guam
Dr. Valerie Paul is studying chemical defenses that may protect coral reefs from...