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

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 ...

Have you ever wondered if semen and sperm are the same thing? It’s one of those questions many people hesitate to ask, often because it feels too awkward or 'basic' to bring up. But when you ...

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 ...

Monash researchers have discovered that swimming sperm create swirling fluid vortices—shaped like rolling corkscrews—giving them an extra boost in the race to the egg. The study, published in ...

Now, scientists are testing a potential treatment: transplanting sperm-forming stem cells into the reproductive system. "If refined and proven safe, spermatogonial stem cell (SSC) transplantation ...

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 ...

In most cells, DNA is wrapped around proteins called histones, allowing it to be loosely packed and accessible for gene activity. However, in sperm cells, histones are replaced by protamines ...