PZ Myers is brilliant

The good professor offers an almost entirely plausible theory, which is his, regarding a possible link between reindeer, daylight deficiency, and late-December artifact delivery.

If his hypothesis and its associated predictions can be corroborated by means of the experimental tests he proposes, it would be a great big poke in the eye (or a "ha-ha-nanny-boo," if you prefer) to those heathen unbelievers who deny the existence of a North Pole-based artifact production facility.

Dr. Myers' theory posits the existence of an entity or intelligence, a so-called "Arctic Artificer" who exploits the midwinter disruption in the circadian activity cycles of polar animals -- in this case reindeer -- to facilitate a worldwide artifact distribution program that peaks in late December.

Or something. Go to Pharyngula to read more about science and other good stuff.