Only one of 32 hockey helmets tested earn 3-star rating

The five-star ratings of hockey helmets, judging their abilities to help prevent concussions, have been released by experts. The findings so far: Only one of 32 tested hockey helmets earned three stars with all other models faring worse in laboratory impact tests.



from Latest Science News -- ScienceDaily http://ift.tt/1bJlfQS

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