U.N. negotiations are going nowhere, and greenhouse-gas emissions are soaring. It’s time to move on.
There are now many general-purpose consumer LED bulbs that give off good light. With so many, how can you tell the difference?
A coal plant in Saskatchewan will capture most of its carbon pollution—and use it to extract oil from the ground.
Inventor and futurist Ray Kurzweil says work is under way at Google to apply his theory of intelligence to understanding online information.
Researchers report signs that moneymaking malware common on PCs is being adapted to mobile phones and tablets.
Social media is playing an increasingly important role in religious activity. Computer scientists ask: How is that reflected in the Twitter stream?
Simple devices that can link up via Wi-Fi but don’t need batteries could make it easier to spread computing throughout your home.
Advances like GE’s new hybrid wind turbines could make renewable energy more practical.
Impressive progress hides major limitations of Google’s quest for automated driving.
Coconut flesh contains secret ingredients that dramatically enhance its ability to store hydrogen, say material scientists.