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 ...

Who hasn't seen it before: the view through the microscope in which a sperm penetrates an egg cell and fertilizes it. This fundamental step in procreation happens dynamically and seemingly without ...

According to WIRED, Paterna claims it has worked out the molecular signals needed to turn spermatogonial stem cells into ...

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) ...

How a sperm and an egg fuse together has long been a mystery. New research by scientists in Austria provides tantalizing clues, showing fertilization works like a lock and key across the animal ...

Katsuhiko Hayashi pulls a clear plastic dish from an incubator and slides it under a microscope. "You really want to see the actual cells, right?" Hayashi asks as he motions toward the microscope.

This story is free to read because readers choose to support LAist. If you find value in independent local reporting, make a donation to power our newsroom today. Listen 7:17 Listen to the Story ...