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Ninety-three percent of Americans say that flossing their teeth is important, but fonly 36 percent say they floss their teeth daily, according to the Chicago-based Academy of General Dentistry.

A University of Michigan study indicates American high school students feel more school-related stress and anxiety than higher-achieving Asian teens.

The 20 million or more bats of the Bracken Cave colony near San Antonio, Texas, are the world's largest known concentration of mammals.