bacteria

Melissa Sevigny

Scientists at Northern Arizona University are studying an anthrax outbreak among heroin users in Europe.


USGS

Deserts like the American Southwest are expected to get drier as the climate warms. That’s bad news for soil microbes, according to a global study co-authored by researchers at Northern Arizona University.


National Park Service, Flickr

Scientists have a new worry about a special group of organisms that protects soil on the Colorado Plateau. They’re called “biocrusts,” and they’re easily destroyed when trampled—but new research shows there’s another menace: climate change.

Biocrust is created by mosses and lichens glued together with photosynthetic bacteria. It forms a kind of bumpy shield on the soil surface.   

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