Reporting from Johannesburg, South Africa — As a boy in remote western Kenya, Fredros Okumu sat under the stars, smothered by the smoke of the family fire, until it was time to go to bed. Even now, ...

Just you wait until the world’s governments are putting out the call for smelly socks—suddenly that bulging gym bag hidden in your dormitory’s wardrobe seems a lot more valuable. To Tanzania anyway, ...

Scientists in China and Australia have developed a method of cleaning fabric using nanotechnology that avoids dunking clothes in soapy water, before scrubbing and rinsing. The titanium dioxide-based ...