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Have you got a current driving licence? what are nizagara pills When you drop a whale backbone into Antarctic waters and retrieve it a year later, youâ??ll find it covered with a pelt of wriggling, rosy-hued worms. Drop a chunk of wood in the same spot, and youâ??ll discover that itâ??s hardly changed. Thatâ??s the result of a simple experiment to find out if some of the world\'s weirdest worms also live in Antarctic waters. The discovery extends the range of bone-eating worms to the Southern Ocean and suggests that Antarctic shipwrecks may be remarkably intact.