The Mayan civilization is known for its complex calendar system. What does this tell us about the Mayans? A. They were not interested in timekeeping. B. They had a deep understanding of astronomy. C. They had no other achievements. D. They used the calendar only for religious purposes. ...
[00:03:04] Jason Reza Jorjani: Everything from the classic e t h, the extraterrestrial hypothesis to, , breakaway civilization, time travel, , the psychic projections hypothesis that young first forwarded and that others like John Keel picked up on, , all the way to the question of simula...