Help support videos like this: http://www.cgpgrey.com/subbable
**CGPGrey T-Shirts for sale!**: http://goo.gl/1Wlnd
Go read The Diamond Age: http://goo.gl/jO8MY It's pretty great.
SciShow on the Mayan Calendar: https://www.youtube.com/watch?v=KjKUqQ2uSzg
The National Geographic Style Guide on Maya vs Mayan: http://stylemanual.ngs.org/home/M/maya
The Sun Stone: http://www.flickr.com/photos/kimberlyeternal/6377784239/in/photostream/
Music is from: http://freemusicarchive.org/music/Broke_For_Free/Something_EP/
If you would like to help me make more videos please join the discussion on:
Or suggest ideas and vote on other peoples' ideas at by blog:
Tagged under: leap years,mayans,maya,Maya Civilization,calendars,gregorian calendar,stone age,vlog,CGPGrey,2012, world,Julian calendar,Stone Age
Clip makes it super easy to turn any public video into a formative assessment activity in your classroom.
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