Browsing: Sperm

The sperm aren’t alright. As we’ve covered previously, scientists for the most part agree that the quantity and quality of men’s sperm is on the decline.…

September 7, 20253 min readThese Ants Are Different Species but Share a MotherAnt queens of one species are sexual parasites that clone ants of another species…

Action must be taken to curb the use of plastic additives linked to plummeting sperm counts, a leading reproductive scientist has warned, as splits over chemical…

Rare success The researchers spent time ensuring that the enzymes they had were modifying the methylation as expected, and that development started as usual. Their general…

Rachel Feltman: For Scientific American’s Science Quickly, I’m Rachel Feltman.The World Health Organization estimates that infertility impacts one in six adults globally. But when it comes…

The sperm of a man carrying a rare cancer-causing mutation was used to conceive at least 67 children, 10 of whom have since been diagnosed with…