The Y chromosome is perhaps the most puzzling part of the human genome. Associated with male development, it is chock-full of repetitive and inverted stretches of DNA, a hurdle that makes it ...

It's the latest corner of the human body where tiny bits of plastic have turned up — the testicles. Exposure to environmental toxins like microplastics are believed to be contributing to the global ...

Share on Pinterest Researchers have found microplastics in every sample of human and dog testicles they tested in a new study. Image credit: Jovana Milanko/Stocksy. Multiple factors contribute to ...

Hear the phrase “reproductive politics” and sperm likely won’t be the first thing that comes to mind. But in a provocative new collection of essays, Yale sociologist Rene Almeling and a group of ...