Sperm

2 articles
  • Article Recirculation Lead Image

    Imagine the Early You as a Sperm, Swimming Your Way To Fame

      Nautilus Members enjoy an ad-free experience. Log in or Join now . When you think of fame, you probably picture Hollywood A-listers, big-time political players, or triumphant athletes, the people who routinely see photos of themselves when they glance at magazine and newspapers. But we are each of us an exemplar of the biology […]
  • sperm entrance

    The Feminine Smells That Get Sperm Moving

    Sperm are the cheetahs of the microscopic world: Made of little more than molecular muscle and batteries, tipped with a payload of genetic information, they are optimized for speed. But to orient themselves before their epic, seven-inch sprint (it’s more impressive if you’re less than one three-thousandth that size), they first need to sniff out […]