3-D printers—a revolutionary frontier for medicine

Mission control on earth receives an urgent communication from Mars that an astronaut has fractured his shinbone. Using a handheld scanning device, the crew takes images of his damaged tibia and transmits them to earth.

Invisibility cloak for hearing aids and implants

Microsystems are at the heart of portable hearing aids and implants. Now researchers are developing a miniature, low-power wireless microsystem to make these medical aids smaller, more comfortable and more efficient.

More than 300,000 affected by Sudan floods: WHO

More than 300,000 people across Sudan have been affected by floods which killed almost 50 people this month, the UN's World Health Organisation said in a statement received Thursday.

'Do Not Track' privacy effort at crossroads

A movement by privacy activists to curb tracking of Internet users' browsing habits scored a major victory last month when Microsoft launched its new browser with "do not track" as the default, or automatic setting.