Released: August 11, 2013

4 numbers that could save your life

Source: Bonnie Taub-Dix - US News

We learn our phone numbers by first grade and our social security numbers when we're filling out college applications. We've memorized our password numbers to unlock our phones, and we even know the numbers representing our favorite sports players' stats. Yet many of us don't know the numbers that could save our lives.

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