Erectile dysfunction has many causes, but among them is gut dysbiosis: an unbalanced microbiome. That means we may be able to help by changing diet or with fecal transplants.

Around 200 million animals are used in lab research around the world each year. Organoids may one day replace them.

Bdelloid rotifers shrug off radiation doses that would obliterate human cells. Here’s how their resilience reveals deep ...