A new device could help dentists better detect the early signs of tooth decay.
Arrays of cheap magnetic sensors could detect improvised explosive devices.
Blue Source demonstrates a remediation system that could capture carbon dioxide at advanced coal plants.
The W3C hopes that its new tool will help developers build websites that will work well on any device, be it a phone or a video-game console.
Sophisticated brain-imaging studies suggest new ways to treat chronic pain.
Commercial-scale plants are being built, but the fuel could still be too expensive to compete with corn ethanol.
How Evan Williams helped create the new social medium of microblogging.
A new method for making ultrathin materials could lead to better fuel cells.
When the box turns red, it's time to turn off the air conditioner and save electricity.
A startup is moving ahead with an efficient method to make biodegradable plastic.