Add Yahoo as a preferred source to see more of our stories on Google. This microscope image provided by Osaka University and the Research Institute of Molecular Pathology in October 2024, shows the ...

Human reproduction requires both male and female gametes. Gametes are special sex cells that contain the genetic information necessary to create a new life. Men produce millions of gametes called ...

Katsuhiko Hayashi, a developmental geneticist at Osaka University, is working on ways to make what he calls "artificial" eggs and sperm from any cell in the human body. (Kosuke Okahara for NPR) ...

Researchers at Newcastle University in England report they have coaxed the first human sperm cells from embryonic stem cells, in a remarkable demonstration of how quickly the field of stem-cell ...

They're leading in the development of IVG, new fertility technology that could make sperm and eggs from practically any cell in the body. The... Japanese scientists race to create human eggs and sperm ...