Penis Spines? No Thanks!

Here’s a fun fact for you to bring up next time you’re inebriated and want to raise a strange topic at a dinner party: men don’t have penis spines. That is to say, the penises of human males differ from our nearest genetic relatives, the chimpanzees, because there are no “tactile” spines or barbs on the end that induce female ovulation and clear out the sperm of other males. Chimps Read More …

Why Dicks Look Like… Well, Dicks

Scientific American has a wonderful article on the evolutionary biology of the human penis, related in a very humourous fashion by writer Jesse Bering. A couple of quotes: Having spent the first five years of my academic life studying great ape social cognition, I’ve seen more simian penises than I care to mention. I once spent a summer with a 450-pound silverback gorilla that was hung like a wasp (great Read More …