They proved what? That their gods would or would not grant them another calender? Nothing mathematical about that...
The Mayans were good observational astronomers, just like the Greeks and Romans...but that doesn't mean that I will believe in this movie:
2012 (2009/I)
(BTW, the plot of this movie is absolutely hilarious. If you have even the most basic info about neutrinos, you know that it is completely impossible to cause a rise in the earth's temperature.)
So this thread got real quiet...
:bolt: