Scientists just invented microscopic knives capable of stabbing and killing bacteria on contact. The germ theory of disease emerged over the last several centuries to explain the way microscopic ...

Starving bacteria (cyan) use a microscopic harpoon—called the Type VI secretion system—to stab and kill neighboring cells (magenta). The prey burst, turning spherical and leaking nutrients, which the ...

Hospitals and public spaces are locked in a quiet arms race with microbes that cling to surfaces, shrug off disinfectants, and evolve around our best drugs. Now researchers are turning to a Nobel ...