Stanford Biodesign fellows are testing two tiny devices that stimulate natural tear production. The technologies deliver micro-electrical pulses to the lacrimal gland.

This week's Question: New smartwatches were showcased at this year's Consumer Electronics Show (CES) in Las Vegas, including devices that run on operating systems and feature pedometers, sleep trackers, and audio players. Research firm Canalys forecasts that worldwide annual smartwatch shipments will grow from 8...

This Week's Question: Scientists are exploring the possibility of utilizing space solar power for Earth-bound purposes. The United States, China, India and Japan all have projects at various stages of development that would see robots assemble solar arrays that could provide the Earth with clean, renewable...

Duke University scientists have developed new forensic tracers to identify coal ash contamination in water and distinguish it from contamination coming from other sources. The tools can be used by regulatory agencies to monitor the environmental effects of coal ash, and determine whether it has or...

This week's Question: In a BBC interview last year, renowned physicist, cosmologist, and author Stephen Hawking warned of the dangers of artificial intelligence. Hawking said AI "would take off on its own and re-design itself at an ever-increasing rate," passing the limited abilities of humans. A...