Robots are on the brink of revolutionizing physical therapy, where they assist, guide -- and never tire out.
A noninvasive test for genetic defects in fetuses has reached human clinical studies.
A prototype metal cylinder with a liquid coolant has converted the heat from fire into an inexpensive chilling agent.
A wobbly new molecule called DTA is moving in a straight line toward nanomanufacturing.
Nintendo's Game Boy can be hacked to create synthesizer-like original music.
Gold nanospheres show a path to all-optical computing.
A Q&A with Philip Rosedale, founder and CEO of Linden Lab, a virtual market-driven community.
If someone steals your fingerprint, "cancelable biometrics" software from IBM can issue a new one.
A simple finger-clip device is able to monitor blood loss accurately -- without the need for more invasive or expensive procedures.
First portable CT scanner for heads could fit in an emergency room.