Life and death of an 'altruistic' bacterium

Biofilms, complex communities of bacteria, abound around us: on the surface of cheese where they give off flavors and aromas, in streams where they form the slimy substance on rocks, on our teeth where they form plaque.

EPA awards grants to monitor air quality in 37 states

The Environmental Protection Agency on Thursday awarded grants for projects to monitor air quality in 37 states, with a focus on minority communities and other areas overburdened by pollution.

Building resilient farmlands in the Midwest

In the Midwest, climate change has battered states with flooding, drought and erosion. Extreme weather events have made for unpredictable crop yields.

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