Scientists figure out how our penises evolved

November 6, 2014 11:24 PM

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Scientists figure out how our penises evolved

Most guys probably don't sit around the locker room pondering the finer points of how the male penis evolved, so leave this one to Harvard researchers: The mystery is solved thanks to … lizard limbs.

Yup, Harvard scientists investigating the origin of external genitalia have found a link relating to the development of limbs in a variety of animals. Scientists initially hoped to discover why snakes didn't grow limbs, the Boston Globe reports.

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