A new method of patterning nanotubes could lead to flexible, flat-screen displays with many of the advantages of bulky CRTs.
AOL has announced plans to charge for sending some e-mail, in hopes of curtailing spam. But skeptics aren't buying it.
Europeans are rethinking the merits of nuclear energy and whether to build new plants, says energy executive Lars Josefsson.
An open-source identity management system could change the way we share personal information over the Internet.
This new technique dupes eavesdroppers.
Hybrid vehicles operating in an unusual environment are lifting the prospects of fuel cells.
Helen Greiner of iRobot talks about how the company's Roomba vacuum cleaner succeeded -- and why they don't have competitors.
Is a cancer treatment actually helping? Nanoparticles that detect cell death may supply a quick answer.
Forget about the hydrogen economy. Methanol is the key to weaning the world off oil. George Olah tells us how to do it.
Oil companies are, to the chagrin of environmentalists, mining a rich source of bitumen in Canada.