illustration of single-cell parasites floating through the bloodstream alongside blood cells The parasite Toxoplasma gondii hides in up to half of humans, although it rarely causes symptoms. But when ...

Deep in the caves of Ireland, scientists have discovered a mind-altering parasite that takes control of spiders, forcing them to abandon their webs before ultimately meeting a gruesome end. This newly ...

A single-cell parasite relies on two genes that boost each other's activity to switch into "defense mode" when attacked by the immune system. When you purchase through links on our site, we may earn ...