Science says Santa's been tricking us with that reindeer stuff.
Martti Kainulainen/AFP/Getty Images
December 24, 2012 That jolly old elf has fooled NORAD, Google and others trying to track him, says astrophysicist Neil deGrasse Tyson. The "science of Santa" makes the most sense if you figure he's getting to the homes of good girls and boys via wormholes, not down the chimneys.
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