Gasp! Wildfires cause hacking and wheezing across the South

Asthma sufferers and others with breathing problems are turning up at hospitals and doctors' waiting rooms, wheezing and hacking. Schoolchildren are being kept inside at recess. And people whose lungs are easily irritated ...

Image: Dust storm over the Red Sea

The Sentinel-3A satellite caught this image of a dust storm blowing east across the Red Sea on 25 July 2016.

Research advances on transplant ward pathogen

The fungus Cryptococcus causes meningitis, a brain disease that kills about 1 million people each year—mainly those with impaired immune systems due to AIDS, cancer treatment or an organ transplant. It's difficult to treat ...

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