A team led by University of Osaka researchers has developed a technique to generate testes from mouse embryonic stem cells ...

TL;DR: College students will compete in a unique sperm race using microfluidic chips that simulate the reproductive system, promoting male health awareness. Backed by $1.5 million in funding, the ...

Male infertility is a major issue worldwide and its causes remain unclear. Now, an international team of researchers led by Hiroki Shibuya at the RIKEN Center for Biosystems Dynamics Research (BDR) in ...

Add Yahoo as a preferred source to see more of our stories on Google. We often imagine sperm as swimmers, tiny cells whipping their tails to power through fluid on a mission toward the egg. However, a ...

On-site doctors processed the sperm, which was then placed onto a microscopic racetrack while audiences followed along on the big screen. (Curtis Luong / Daily Trojan) In the last sperm race of Friday ...

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) ...

Human sperm have long been a subject of fascination—not just for their role in fertilization, but for their remarkable ability to navigate through some of the most viscous environments in the body.

The soil roundworm Caenorhabditis elegans has just 959 cells and a body that is mostly gut and reproductive organs. Yet its reproduction is similar enough to ours that scientists like Francis McNally ...