Diana Nyad: Shark Cages Aren't Just For Protection?They're For Speed, Too

Wochit
Diana Nyad made history on Sept. 2 when she swam from Cuba to Florida?without the assistance of a shark cage?in 52 hours , 54 minutes and 18 seconds. A shark cage, said Nyad, creates eddies that let you swim two to three times faster.
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