See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A Utah biotech startup says it has grown functional human sperm in a ...

A startup out of Utah, Paterna Biosciences, says it has successfully grown functional human sperm in a lab and used the sperm to make visibly healthy-looking embryos. The technique could eventually ...

Dr. Alex Pastuszak, cofounder and CEO of Paterna Biosciences, discusses the scientific process behind the company's recent announcement that it grew human sperm cells in a lab and ...

Paterna Biosciences said it has mastered the molecular signals that teach stem cells how to mature into sperm for a promising new fertility treatment. Reading time 3 minutes More than one in eight ...

Paterna Biosciences says it has grown human sperm from testicular tissue in a lab and used it to fertilize eggs, marking a first in reproductive science. The breakthrough could address a major gap in ...

We all know the drill for reproduction—sperm meets egg. But mice aren’t people. And the same recipe doesn’t work for human reproductive cells. One reason, according to Dr. Mitinori Saitou at Kyoto ...

The day when human sperm and eggs can be grown in the laboratory has inched a step closer, with the discovery of a way to recreate a crucial developmental step in a dish 1. “Epigenetic reprogramming ...

Imagine a future where a diagnosis of untreatable male infertility is no longer the end of the road – because science has found a way to produce human sperm from lab-engineered testicular tissue. This ...

A Utah biotech startup says it has grown functional human sperm in a lab and used it to create early embryos—a development that, if validated, could dramatically expand options for men with severe ...