RT @WSJ: Each identical twin has a unique brain, and the answer lies with cell mutation http://on.wsj.com/1or8Xm5 pic.twitter.com/TgdLUEWYzt
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RT @WSJ: Each identical twin has a unique brain, and the answer lies with cell mutation http://on.wsj.com/1or8Xm5 pic.twitter.com/TgdLUEWYzt
@WSJ Great update - see it live here: http://rbl.ms/1SBeRcP
@WSJ Lies. Identical twins don't have brains. They're mutants.
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