New Mexico nuke repository studied for plutonium storage

The U.S. Department of Energy has commissioned a national group of scientists to study the viability of diluting surplus weapons-grade plutonium and storing it permanently at the federal government's underground repository ...

Gifted Colombia kids pay tribute to hero Hawking

Gifted children at the Stephen Hawking school in Colombia's capital Bogota have been paying a special tribute to the astrophysicist whose life inspired them to study science.

India's Silicon Valley faces man-made water crisis

Every day more than 1,000 water tankers rumble past Nagraj's small plywood store in Bangalore, throwing up clouds of dust as they rush their valuable cargo to homes and offices in India's drought-stricken tech hub.

Qualcomm says former chairman exploring buyout effort

Qualcomm said Friday that Paul Jacbos, its chairman until a week ago, was considering a buyout effort for the California chipmaking giant just days after it fended off a hostile bid from Singapore rival Broadcom.

World water problems on tap at Brazil conference

Brazil—the country with the world's greatest fresh water reserves—hosts an international conference next week on growing fears over the fragility of drinking water supplies in a heating planet.