Add Yahoo as a preferred source to see more of our stories on Google. We've done it to ourselves and to man's best friend — researchers have found microplastics in human and canine testes. (Allen J.

A new study of exceptionally long-lived Rottweilers revealed that keeping their testes for longer may help them age more gracefully, offering fresh clues for how hormones shape frailty and resilience ...

Researchers say they have found a way to pluck out a potent type of stem cell from the testes of adult mice and transform it into other kinds of tissue, including heart muscle and blood vessels. The ...

An icon in the shape of a lightning bolt. Impact Link Taste receptors — the proteins responsible for our ability to taste salty, sweet, and bitter foods — aren't just present on our tongues. Recently ...

Photo: flickr/Udo Schmidt Fast cars. Big boats. Massive weapons. Genital size. Totally uncorrelated? Not if you believe pop psychology, or if you are a scarab beetle. Although beetles don't drive or ...

To say that eggs grow only in females and sperm grow only in males seems a pretty uncontroversial statement. But Japanese researchers have shown that it's not as simple as that, by nurturing female ...

The testes have been identified as the most distinct type of human tissue by the Royal Institute of Technology in Sweden. The team have detailed which proteins are active in which tissues of the human ...

Researchers have located one more anatomical organ where microplastics — of all shapes and constituents — are found: human testes. And although they can’t say for sure, they suspect the presence of ...