Scientists Inch Closer to Creating Human Sperm in the Lab
SingularityHub – Shelly Fan • July 22, 2026 Researchers could use lab-grown sperm to develop infertility treatments or, more controversially, make babies. Scientists just transformed a living mouse’s kidney into an incubator for developing human sperm made from blood cells. It sounds like sci-fi Mad Libs. But a team at the University of Pennsylvania, led