Sunday, May 18, 2014

Defenders investigation reveals metro Detroit schools using lower-rated ... - WDIV Detroit

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WDIV Detroit



Defenders investigation reveals metro Detroit schools using lower-rated ...

WDIV Detroit

Researchers at Virginia Tech are testing and rating football helmets based on how well they reduce the risk of concussion. There is no such thing as a concussion-proof helmet, VA Tech's research measures the effectiveness helmets like those used by ...









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