A Startup Says It Grew Human Sperm in a Lab—and Used It to Make Embryos
- Posted on April 23, 2026
- By Wired
- 1 Views
- 1 min read
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.
