dont be scared, thats just what they want. they say the same thing in every generation. its supposedly "the apocalypse" on december 21 2012 and that several different remote cultures and religions have great emphasis on this date. however, its just the end of the mayan cycle in my opinion. we have years, months, days, minutes, etc. to mark specific dates. well the mayans were extremely advanced astronomers for their time and they created the mayan cycle. it has to do with the tilt and wobble of the earth and lasts 26000 years or something ridiculous like that until the cycle is complete. if you want to know more then wikipedia... the mayans, mayan cycle, mayan calendar. something about the sun lining up with the milky way galaxy also.
its defenitely not an apocalyptic event... maybe an astronomical event.
btw the guy above me is dumb. the mayans were incredibly advanced for their time, but astronomers today make them look like cavemen. also, youtube is a terrible place to educate yourself about this because it has a bunch of 2012 END OF WORLD crap.