Joost could become a major distribution channel for television–if it can overcome a few practical problems.
Printing flexible electronics on plastic provides a way to wirelessly power gadgets.
A walk with GPS reveals some of the problems with the system.
Nanoparticles with a completely new shape may lead to cheaper catalysts that could make many experimental-energy technologies more practical.
Scientists have discovered a drug that boosts cellular metabolism in mice, mimicking a healthy workout.