The leaf's ability to convert sunlight and water into storable fuel makes it the ultimate in solar energy. Now researchers say they have found a way to mimic this seemingly simple feat. Full story
Jonathan Wilde, the resident gadget guy at Men's Journal magazine, shows items that make superb tokens of appreciation.
A prototype sun tracking solar panel made by Concentrix Solar collects energy from its location at the University of California San Diego February 10, 2011. Under California's new carbon trading system, big polluters will be paying through the nose for the privilege. And so will everyone else in the