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VIDEO:Knowledge

'Quadruple Helix' DNA Found In Human Cells, May Aid Cancer Fight

Description:Sixty years after Watson and Crick first described the two-stranded "double helix" structure of DNA, scientists at the University of Cambridge now report that they've found four-stranded "quadruple helix" DNA in human cells -- and say it may prove helpful in the fight against cancer. (2:56)

Source: HuffPost Live Highlights

Tags: cambridge , cancer research , dna , dna research

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