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 ...

A new study shows that lab-grown sperm cells can be derived from stem cells. July 9, 2009 — -- The face of infertility-- in literature, in the media, in advocacy groups -- is so predominantly ...

New work from UC Davis and the University of Utah shows how the 3D structure of DNA inside a germ cell commits it to develop into a sperm cell. The discovery could improve understanding of fertility ...

Neil Hunter's laboratory in the UC Davis College of Biological Sciences has placed another piece in the puzzle of how sexual reproduction shuffles genes while making sure sperm and eggs get the right ...

It's a myth that sperm die upon contact with oxygen. In fact, their resilience might surprise you. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. In addition to eggs, tissue cysts present in the meat of warm-blooded animals can spread ...

Fathers exposed to high stress in childhood had different epigenetic markers that may affect their offspring, though more research is needed. When you purchase through links on our site, we may earn ...

Knoepfler is STAT’s Lab Dish columnist and professor of cell biology and human anatomy at UC Davis School of Medicine. Japanese regulators just quietly gave researchers there a historic OK to generate ...

Male fertility rates have been plummeting over the past half-century. An analysis from 1992 noted a steady decrease in sperm counts and quality since the 1940s. A more recent study found that male ...