Deleted genes gave humans big brains, spineless penis
Two fundamental aspects of being human - a spineless penis and an expanded brain - may result from genes dropped during evolution, researchers suggest.
Source: http://www.cosmosmagazine.com/news/4122/evolutionary-loss-gave-humans-big-brains-spineless-penis
Eliza Dushku Emilie de Ravin Emma Heming Emma Stone Emma Watson Emmanuelle Chriqui Emmanuelle Vaugier