A new football helmet could help players avoid brain injuries.
Advances in imaging shed light on how the disease develops.
A new human-powered generator tries to capture walking energy.
An innovative navigation system uses optical signals from hospital lights to guide patients with traumatic brain injuries around hospitals.
A new material allows researchers to write and erase 3-D images for displays.
Imaging the brain during social interaction reveals a deficit that may be tied to a sense of self.
The DOE's decision to abandon FutureGen could accelerate clean-coal technology.
If Microsoft purchases Yahoo, the popular Internet property would contribute a lot more than ad revenue.
A supersonic bullet is fired with a record-breaking 10 megajoules of muzzle energy.
Exotic materials and cheaper substrates could lead to better photovoltaics.