A commentator yells excitedly as hundreds of spectators stand glued to a video of a racecourse—but the athletes they are ...

Kanazawa University and colleagues have achieved a breakthrough in understanding sperm DNA packaging. Using high-speed atomic ...

Novel tools that allow neuron-specific investigations of the structure controlling sleep regulation in fruit flies reveal the extent of neuronal heterogeneity.

But only recently have they been able to describe how it affects sperm cells, bending their shape, slowing them down and changing their genetic material. It’s not surprising, since many ...

A 26-year-old American man has become the world’s first to receive a sperm-making stem cell transplant in a groundbreaking experiment aimed at reversing infertility. Jaiwen Hsu suffered from ...

Neuroscientists have produced the largest wiring diagram and functional map of a mammalian brain to date using tissue from a ...

"Semen analysis is crucial because by understanding the differences between semen and sperm, the structure of sperm, and the parameters that determine fertility, couples can improve their chances ...

A MAN has received the world's first sperm-making stem cell transplant in a groundbreaking experiment to reverse infertility. Jaiwen Hsu, 26, has azoospermia, a condition where no sperm is present ...

A man in his early 20s has received the world's first sperm-making stem cell transplant in a new procedure that could be groundbreaking for infertility treatment. Until now, the procedure had ...

A man in his early 20s received a transplant of his own sperm-producing stem cells, which had been frozen since his childhood, in an attempt to regain fertility. Doctors are waiting to see if the ...