A study has suggested that soda consumption may increase testosterone levels and testicle size in men. The study, conducted by researchers at the Northwest Minzu University in China and published in ...

A link between the size of a father's testicles and how active he is in bringing up his children has been suggested by scientists. Researchers at Emory University, US, said those with smaller ...

A new study from the good people at Emory University has found that a man's testicle size can determine what kind of father he can be—fathers who have a smaller set of jewels down below tend to be ...

Dominant male lemurs flexibly grow their testicles when other males are around, putting them in a better position to successfully mate. In many species, dominant males have larger testes than ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Men who have smaller testes are more likely be better dads to their toddlers, according to a study published in The Proceedings of the National Academy of Sciences. Researchers from Emory University ...