nudibranch

National Geographic Young Explorers Grantee Erika Bergman is sharing the thrill of diving in a submersible with classrooms and onlookers all over the world. With external and internal cameras mounted on her sub, viewers experience a new vantage point as Erika pilots through the deep coral reefs of Curacao and Honduras. Follow her expedition and post...

The Marquis de Sade had nothing on this critter—a sea slug that makes out by stabbing potential mates between the eyes and, researchers suspect, drugging them. Besides having a penis, the sea slug—an as-yet undescribed species from Australia’s Great Barrier Reef—is also armed with a hypodermic device for injecting chemicals that possibly make its partners...