Smart phones have risks--but so do regular cell phones.
Researchers report using metamaterials to make devices that could transform computing, data storage, and optical microscopy.
PC users can be as neat or as messy as they like using a new 3-D computer interface based on video-game technology. But can the new software revitalize the creaky desktop metaphor?
A new laser device designed to detect the earliest stages of tooth decay could help dentists stop cavities in their tracks.
MIT scientists call on the U.S. government to spend half a billion dollars on projects to capture carbon dioxide from coal. Why think so small?
Researchers have shown that they can use mechanical force to make a molecule more reactive.
A team of researchers has bioengineered a synthetic scaffold that effectively regenerates tissue in torn knee ligaments.
Flash memory is moving from iPods to desktops and laptops, providing a performance boost and the potential for instant boot-ups.
A new type of material could allow solar cells to harvest far more light.
So far, clinical studies have produced mixed results, but a new set of trials aim to sort out the best approaches to therapy.