A Sedimentologist offers a new explanation for one of evolution's great mysteries.
According to the author, oil pipelines with low tech-or no tech-surveillance technologies are another example of digital divide.
As the U.S. prepares to descend on Iraq, one question looms in the background: Is North Korea next?
What Saddam still needs for nukes.
Zero-emission driving may be more than hot air.
An MIT-based consortium is helping ensure that future cars have all the electrical power they need for features galore.
One researcher's unlikely crusade: to overthrow the on/off button.
There will be 10 billion people on Earth by 2100--and all of them can live comfortably if advances in energy-saving technology continue.
How should we teach kids Newtonian physics? Simple. Play computer games.
There's a power revolution coming, and it will run on hydrogen.