sperm

Miscarriage is often treated as a problem rooted in the pregnant partner, but emerging research suggests sperm may play a bigger role than many people realize. …

The research focused on figuring out what enables certain sperm to gain some competitive advantage over millions of others fighting for the same prize. Learn mo…

These marine mammals are very hard to observe, but in the past two decades the roughly 20 or so people in the world who study sperm whales have found some compe…

Male infertility is undercovered and underdiscussed. If a couple is struggling to conceive, there’s a 50–50 chance that sperm health is a contributing factor. D…

The whales appear to prefer the company of "like-minded" individuals, based on common vocal clicking behavior—an example of culture, researchers say. Christophe…

Overweight men’s sperm undergo epigenetic changes that may alter a child’s brain development and appetite control. Christopher Intagliata reports Learn more abo…