You no longer need to envy the noble zebra. Humans also have stripes. In fact, all people have them, and everyone's stripes form the same general patterns. These stripes, called Lines of Blaschko, are invisible most of the time, but certain conditions bring them out.

Alan Turing was a brilliant mathematician, cryptographer, and logician, plus the father of computer science and artificial intelligence. He also worked in biology, and now, 58 years after his tragic death, science has confirmed one of his old biological hypotheses.