Pixels containing ink reservoirs could lead to bright e-readers that look more like printed paper.
Flexible carbon-nanotube supercapacitors could give more power to cell phones and other electronics.
A cocktail of proteins converts embryonic cells into cardiac cells that might someday replace damaged tissue.
Keeping tabs on your vitals with Microsoft HealthVault.
With a new probe, smart phones can be used to capture and send ultrasound images.
Specially timed magnetic pulses could pave the way for large-scale quantum computing.
Research may be needed to evaluate alternatives to reducing greenhouse-gas emissions.
A new approach offers a more efficient way to design biological "circuits."
Amid a growing emphasis on electronic health records, one patient tests online health services.