How does Santa deliver all those presents in one night?

Scientists Steve Pointing and Allan Blackman from AUT University in New Zealand, take a light-hearted look at some of the great mysteries of Christmas and use modern science to come up with some explanations!

Ever wondered how Santa gets around the whole world in one night? Why no one sees him delivering presents? How he fits down the chimney? Or how Rudolph’s nose came to glow? Watch the fantastic video above to find out!