Carl Imhoff on research paid for with both public and private money. The goal is to modernize the electric grid in the U.S. into what's called a 'smart grid.'
Researchers found that burning crops for electricity for electric vehicles would produce 81 percent more transportation miles than using the same crops to produce ethanol.
It wasn't hard to get into Stephanie Cooke's book on the history of nuclear power. She explores a way to make this expensive endeavor useful to the public.
George Whitesides talks about a new, more affordable diagnostic test - useful to detect diseases like HIV/AIDS, tuberculosis, and malaria - which kill millions each year in the developing world.
In early February, 2009, Mexico City began severe water rationing, causing water shortages and reducing or completely cutting off water to 5.5 million people.
'Food miles' - or the Miles traveled by your breakfast - account for about 11 percent of the carbon emissions that are contributing to Earth's changing climate.