Johnna Rizzo
National Geographic News
Published August 30, 2012
Sperm whales eject an intestinal slurry called ambergris into the ocean, where the substance hardens as it bobs along. Eventually it gets collected along shores - most often as sheer happenstance, as in the case of eight-year-old Charlie Naysmith in the
U.K. a few days ago. Walking along the beach in
Dorsetwith his dad, the boy found what looked to be a very odd rock. He and his dad used Google to help identify it as ambergris. Weighing more than a pound, it is said to be worth up to U.S. $63,000.
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