sperm

The Cold, Hard Truth About Icing Your Balls for Testosterone Gains

Across YouTube, influencers claim that icing their testicles boosts their testosterone and sperm count. Experts, however, aren’t so sure

Are Bigger Dicks Better at Getting People Pregnant?

There are many misconceptions about the relationship between penis size and fertility. So let’s clear this up once and for all

The Subreddit That’s a Free, DIY Sperm Bank

On r/BreedingR4R, copulation-minded couples and singles search for sperm donors and child-rearers who want to reproduce, no strings attached

Amphibian Girlbosses Are Running a Giant Stolen Sperm Ring

The all-female mole salamanders of the Great Lakes don't need no man, but they do need all the sperm he’s left lying around for their biologically confounding reproductive process