semen

Your Sperm Are So Competitive They Literally Poison Each Other to Win

It’s the genetic equivalent of throwing a banana peel in ‘Mario Kart’

Now We Know Why Sperm Sometimes Just Literally Swims in Circles

Your freaking DNA never taught it how to swim straight

We Were All Wrong About the Post-Sex Refractory Period

Science blamed a specific hormone for our inability to get hard again — but we never had the evidence to prove it

Why the Ancient Egyptians (Maybe) Masturbated Into the Nile

Some historians believe the ancient Egyptians held a whole festival about jerking off into their most famous body of water, and maybe we should do the same