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The long "oral arms" of the adult moon jelly, Aurelia aurita, extend from near its mouth, in the center of the bell.
Magnus Manske/Wikimedia Commons
June 15, 2015 If a starfish loses a limb, a new arm buds and grows in its place. But young moon jellies have a different strategy for self-repair: Existing limbs rearrange themselves to regain symmetry.
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Cannonball jellyfish soak up the sun on a South Carolina beach. Fishermen are now pursuing the pest that used to clog their shrimping nets.
Courtesy of Steven Giese
January 31, 2014 After the worst year for shrimping in recent memory, fishermen in the Southeast U.S. say they're thankful to catch jellyfish for the Asian market. But conservationists say the expanding jellyfish fishery is a sign of the ocean's decline.
The "jellyfish" in flight.
November 25, 2013 The little flier mimics the movements of a sea creature — and that makes it even more stable in the air that some robots based on the way insects and birds move, researchers say. Their work may lead to tiny drones that are used for studying pollution.
Stung by a Portuguese man-of-war? Try vinegar or hot water to reduce the pain.
June 8, 2012 Your best bets? Carefully remove the tentacles and their stinging cells stuck in your skin. Then wash with hot water, or use saltwater if you're away from a bathroom or shower.
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