A new high-school mathematics might someday model complex adaptive systems.
Electronic "noses" made from printed electronics could detect toxic chemicals inexpensively.
Forget plain old podcasting. Modcasting lets listeners assemble customized podcasts, turning them into armchair producers.
The four-gigabyte Flash storage card in Apple's iPod nano was obsolete before it hit store shelves.
Innovative training software could turn back the clock on aging brains.
Analysts say spyware writers are gaining the upper hand over computer security experts.
New research suggests that people who play video games to excess exhibit traits similar to those of drug users.
A system based on human hearing can reveal the location of hidden gunmen in urban-warfare situations.
Endoscopic HDTV gives surgeons better vision.
While many startups still operate in "stealth" mode, a growing number instead bring out public "beta" versions of their software.