A sample of saliva taken from a coffee cup can reveal someone's genes, for better and for worse. Now bioethicists are recommending privacy protections as the age of cheap, fast genome sequences unfolds.
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.
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