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Why a Speeding Shark is Like a Golf Ball
Wednesday, November 24, 2010
TUSCALOOSA, Alabama — Shortfin mako sharks can shoot through the ocean at up to 50 miles per hour (80 kilometres an hour). Now a trick that helps them to reach such speeds has been discovered – the sharks can raise their scales to create tiny wells across the surface of their skin, reducing drag like the dimples on a golf ball.
Read more: http://abcnews.go.com/Technology/story?id=620...