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March 7 (Bloomberg) -- Bloomberg's Deirdrew Bolton reports on today's "Top Headlines." She speaks on Bloomberg Television's "Money Moves."

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The Hits and Sacks Behind Virginia Tech's Helmet Tests
33:42 - Jan. 28 -- What makes one football helmet better than the next? Stefan Duma, of Virginia Tech Biomedical Engineering & Sciences, tells Bloomberg how researchers are testing different impacts on helmets and then rating them from best to worst.
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