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America's healthiest small towns
A lid to a pressure cooker thought to have been used as the explosive device in the Boston bombings has been found on a roof of a building near the scene.
Take a look at the explosive device fragments and other crime scene images from the deadly Boston Marathon bombings.
State officials say two more coqui frogs were found recently on Oahu.
The Food and Drug Administration is making another attempt at regulating electronic cigarettes and other tobacco products.