Rachel Feltman: For Scientific American’s Science Quickly, I’m Rachel Feltman. The World Health Organization estimates that infertility impacts one in six adults globally. But when it comes to ...

Infertility affects about one in six couples, and male factors account for roughly half of all cases—often because sperm don't swim well. Researchers from the University of Osaka have uncovered a key ...

A team of engineers at Monash University in Australia has found that exposing human sperm to ultrasound can cause them to swim faster. In their study, published in the journal Science Advances, the ...

The quality of sperm is highest in the summer and lowest in the winter, according to a new study by scientists at University of Manchester, Queen's University (Ontario, Canada), and Cryos ...

Men who’ve had COVID-19 may face hidden fertility risks. This study uncovers how the virus disrupts sperm health, even months after recovery. Study: COVID-19 infection was associated with poor sperm ...

New study reveals how stress boosts sperm motility through mitochondrial changes and epigenetic shifts. Study: Stress increases sperm respiration and motility in mice and men. Image Credit: Rost9 / ...