6:30am

Mon December 24, 2012
Science

The Science Behind Santa's Christmas Eve Journey

Originally published on Mon December 24, 2012 7:11 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.