Feature Microbes

Microbial matter comes out of the dark

Scientists identify bacteria that defy rules of biochemistry

illustration of a dark environment

DARK MATTER  Most microbes have stayed hidden from scientists, but new technologies are revealing unknown species of bacteria, some of which may hold medicinal promise.

Ashley Mackenzie

By Laura Beil

- More than 2 years ago

Few people today could recite the scientific accomplishments of 19th century physician Julius Petri. But almost everybody has heard of his dish.