Researchers at the Fraunhofer Institute for Applied Optics and Precision Engineering (IOF) say that they have built a thulium fiber laser capable of emitting 1.91 kW - nearly double the typical output ...

Ouch: each year, more than 500,000 Americans seek care for kidney stones. Here's the story of one man's second—and how he's preventing any more.

had a kidney stone surgically removed yesterday, according to the hospital in Taipei where the surgery was performed. Escorted by personnel from the Taipei Detention Center, Ko arrived at the hospital ...