Dying in an earthquake may become more frequent in the 21st century, warn U.S. Geological Survey seismologists. ->
When you're in the business of satisfying curiosity, you have to ask the big questions. Here are answers from some of the brightest minds around.
See how the city of tomorrow could be made to feel like the village of the past.
Want to own a little piece of the beautiful Italian region of Tuscany?
Social Media Specialist Amy Enchelmeyer responds to your angriest, funniest, and most insightful Facebook comments.
Traffic pollution's imprint may begin before birth as newborns with higher exposure show permanent genetic differences.
Any guesses? People there speak at least 153 different languages and come from places as diverse as Pakistan, India and Ghana.
Also, 5.7 percent of American households didn't have enough to eat at some point last year.
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