For years, radical thinkers have proposed risky technologies that they say could rapidly cool the earth and offset global warming. Now a growing number of mainstream climate scientists say we may have to consider extreme action despite the dangers.
Tracking and understanding the complex connections within the brain may finally reveal the neural secret of cognitive ability.
A new urban network suggests how technology could remake health care.
Vast amounts of the clean-burning fossil fuel have been discovered in shale deposits, setting off a gas rush. But how it will affect our energy use is still uncertain.
"Open video" could beget the next great wave in Web innovation--if it gets off the ground.
On the Isle of Man, the beginnings of a marketable electric motorcycle.
Google is developing a new computing platform equal to the Internet era. Should Microsoft be worried?
An alternative way to make stem cells could open a window on human disease.
Inside the launch of Stephen Wolfram's new "computational knowledge engine."
The U.S. stimulus bill includes tens of billions to support energy and information technologies. So why are economists and innovation experts so skeptical?