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Gene-editing scientists found a different protein for editing human DNA which may even work better than before.

So revolutionary is this new genome editing technique that rival groups, who each claim to have been first to the tech, are bitterly fighting [wired.com] over the CRISPR/Cas9 patent.

When the new technique cuts double-stranded DNA, it snips the two strands in slightly different locations, resulting in overhang that molecular biologists call "sticky ends." Sticky ends can make it easier to insert a snippet of new DNA.