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Science
5:30 am
Mon December 24, 2012

The Science Behind Santa's Christmas Eve Journey

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Originally published on Mon December 24, 2012 6:11 am

With billions of children to visit in just one night, how does Santa make it to every house? And how does he fit down the chimney — assuming your house has one. Astrophysicist Neil De Grasse Tyson talks to David Greene about the science of Santa.