Scientists have now conducted the first clinical trial of spermatogonial stem cell (SSC) transplantation, which entails ...

If humans had a similar body ratio to the northern giant mouse lemur, their testicles would be the size of grapefruits.

In an advance for treating male infertility, researchers transplanted a patient with his own sperm-forming stem cells that ...

Researchers tested ten different chewing gum brands, and found no difference between synthetic and natural gum.

The authors report a case of a 19-year-old male who presented with complaints of small testes. Apart from raised 17-alpha-hydroxy-progesterone (6 ng/mL), the rest of the hormonal and tumour marker ...

Human biology is not black and white ... They carry information about whether gonads should develop into ovaries or testes. Usually, but not always, having two X chromosomes is the blueprint ...

The 24th annual Deerfield Testicle Festival will be held on March 22 at Deerfield American Legion Post 392. The festival features deep-fried bull testicles, also known as Rocky Mountain oysters, as ...

Figure 1: Steel factor (Kit ligand)–Kit receptor interaction in the mouse testis, with phenotypes and testis sizes of mice. In conclusion, our studies indicate that both male germ line stem ...

What's more, according to their analysis of modern human DNA, one of these isolated populations left a stronger legacy in our genes than the other. "The question of where we come from is one that has ...

We may earn commission if you buy from a link. Why Trust Us? While most estimates place the current human population at around 8.2 billion, a new study suggests we might be vastly ...

(NewsNation) — Butch Wilmore and Suni Williams, as well as two other NASA astronauts, have left the International Space Station after being stuck for nine months after a Boeing test flight. The return ...

However, the human body evolved to function in the gravity of Earth. So time in the weightlessness of space can take years from which to fully recover. Astronauts Suni Williams and Butch Wilmore ...