Social-networking apps that eschew real names are gaining ground.
Not only does student participation decline dramatically throughout the new generation of Web-based courses, but the involvement of teachers in online discussions makes it worse.
A high-power circuit breaker makes it possible to create highly efficient DC power grids.
Conventional batteries take so long to charge that they cannot efficiently store braking energy. Graphene supercapacitors store almost as much but charge in just 16 seconds.
The best of the rest from the arXiv preprint server.
Many experts would have us believe that robots and other technologies are behind the job drought. That couldn’t be farther from the truth.
A genetic variation may determine who needs a drug to help them kick the habit.
If I get a tablet, maybe I could shake my smartphone addiction.
Today’s medicines can cost hundreds of thousands of dollars a year. The story of how two companies set prices for their costly new drugs suggests that the way we determine the value of such treatments will help decide the future of our health-care system.