Tiny, toothlike bumps boost sharks? swiftness
Web edition : Wednesday, March 14th, 2012
Slicing through the water at speeds exceeding 45 miles per hour (72 kph), the shortfin mako shark is one of the fastest fish in the sea. A team of Harvard biologists has made a surprising discovery about what feature gives the mako, like all other sharks, its incredible swiftness ? its sandpapery skin.
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Found in: Science News For Kids
Source: http://www.sciencenews.org/view/generic/id/339105/title/FOR_KIDS_Speedy_sharkskin
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