Image: South Sudan

The Copernicus Sentinel-2B satellite takes us over South Sudan. Having gained independence from Sudan in July 2011, South Sudan is the youngest country in the world. It has an estimated population of 13 million people, more ...

Swamp microbe has pollution-munching power

Sewage treatment may be an unglamorous job, but bacteria are happy to do it. Sewage plants rely on bacteria to remove environmental toxins from waste so that the processed water can be safely discharged into oceans and rivers.

When it rains, it pours—the effects of stormwater runoff

The lovely smell that follows a spring rain as you sit on your porch and enjoy the sound of drips pattering on the lawn is so loved that it has earned the distinct honor of its own word: "petrichor." Somewhat less romantic ...

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