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°F Slightly cooler today with showers possible this afternoon. Hear what this means for four very different New Yorkers.

Peter Libby

Peter Libby appears in the following:

Please Explain: The Human Heart

Friday, October 19, 2007

Our hearts beat about 100,000 times every day, pumping our blood nearly 12,000 miles: the equivalent of crossing the U.S. from coast to coast four times. Today we'll find out how our most vital organ works, why it sometimes fails, and what we can do to keep it healthy. Send ...

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