Credit: "Jaws" movie still via Flixster.
We're gonna need a bigger wind turbine. Or maybe not. German researchers are using shark skin to make windmills spin more efficiently, and generate more electricity. Not real shark skin, thankfully. This is shark-line skin that can be painted onto wind turbines, airplanes and ships to reduce flow resistance, or drag. Does this make your "Jaws" drop? 
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