Technology
A Startup Says It Grew Human Sperm in a Lab—and Used It to Make Embryos
Paterna Biosciences says it has determined the set of instructions needed to turn sperm-making stem cells into "normal, mature" sperm.
W
Wired
April 23, 2026· 1 min read
Image: Wired
Paterna Biosciences says it has determined the set of instructions needed to turn sperm-making stem cells into "normal, mature" sperm.
Original article
A Startup Says It Grew Human Sperm in a Lab—and Used It to Make Embryos
Published by Wired