Reducing carbon dioxide emissions is tough if you don't know exactly where those gases are coming from. Scientists at Arizona State University have invented a new way to pinpoint those sources — down to individual buildings and highways.
Two Americans have won the 2012 Nobel Prize in Chemistry. Robert Lefkowitz and Brian Koblika were awarded the prize for their work on protein receptors that tell cells what's going on around the human body. Their research has allowed drug makers to develop medication with fewer side effects. The pair with share the $1.2 million award.
The latest victim injured by a liquid nitrogen cocktail had to have parts of her stomach removed. Yet some in the bar business say the substance is safe when used properly. What do you think? Take our survey.
States in the Deep South traditionally vote Republican in every presidential election. However, a string of "blue" counties curve through Mississippi, Alabama and Georgia. And the reason for this political anomaly seems to lie with ancient oceans and dead plankton.
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