Scientists have discovered a new phylum of microbes in the Earth’s Critical Zone, an area of deep soil that restores water quality. Ground water, which becomes drinking water, passes through where ...

Bacteria are everywhere. Trillions of these microscopic, single-celled organisms make their home on your body and inside it. Should you be alarmed? Hardly, here's the truth about bacteria.

How did 'everything is everywhere' arise out of nineteenth ... technique that established the consistent effects of different microorganisms — Robert Koch's (1843–1910) pure-culture method ...