For most of the developed world, a flick of a switch brings the lights, television, computer, and dozens of other gadgets and appliances to life without question. This seemingly simple luxury, however, masks a complex network of interactions between a variety of suppliers and services, both public and private. Communication between these entities is complicated -- but smart grid technology attempts to make it more effective, more interactive, and ultimately, more efficient.
Until a short while ago, standard scientific opinion held that the world is hundreds of millions of years old. Recently, the controversial discovery of soft tissue inside a dinosaur fossil has challenged that notion. Take our quiz and find out about the controversy.
No one would blame you if you're sick of hearing about carbon. Every day it seems there are news stories about rising carbon levels, carbon emissions and even the search for new carbon-based life forms