Darwin & Dicks (sNSFW)

It’s a big day for dicks! First The Thing’s thing, and now, science has finally found a way to explain all those spikey vibrators you see at sex shops. They’re actually kind of similar to what ladies used to have to hop on.

Apparently, one of our human evolutionary steps was losing penile spines, which are found on other primates. This development gave way to longer, more intimate sex. I mean, really, could you imagine trying to go tantric with a mace club for a peen? Ouch!

Read more about the development in your pants, here.