Human sperm cells travel up to 6 meters in their transit from testes to penis, and most of that journey occurs in the epididymis, a tightly coiled tube that primes the cells for their ultimate task: ...

(Beyond Pesticides, July 14, 2022) A study published in Toxicology and Applied Pharmacology finds prepubescent exposure to endocrine-disrupting chemicals (EDCs), including pesticides, impairs male ...

The chromosome associated with male development, which is the last mysterious piece of the human genome, has been fully sequenced by a team of more than 100 researchers around the world, including ...

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 ...

New research has mapped the cell types that specialise to form reproductive organs in both sexes, identifying key genes and signals that drive this process. The findings offer important insights into ...

From invisible wafts of diesel exhaust to sun-choking plumes of orange smoke, air pollution is known to damage respiratory well-being. Now, research suggests another reason to hold our breath: ...

It’s not just about chromosomes. Or reproductive cells. Or any other binary metric. Many genetic, environmental and developmental variations can produce what are thought of as masculine and feminine ...

For decades, scientists have been trying to develop a male contraceptive similar to the birth control pill that can be taken orally and is reversible, with minimal side effects. An oral male ...