Human skin, the barrier between the body and the outside world, is home to diverse microorganisms, some of which can promote immunity or fight invaders. Jef Akst was managing editor of The Scientist, ...

An international team of microbiologists from the Medical University of Graz, the DSMZ—German Collection of Microorganisms ...

In a healthy human adult, bacterial cells outnumber human cells, but the identity and degree of diversity of these bacteria in a single individual, their variability from person to person, and their ...