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www.patreon.com/crackpotpodcast   During the 1970s and 1980s mysterious symbols began appearing in crops spread around the world and skeptical humans began to analyze what they mean. These deeply symbolic, and very possibly alien, art installations captured the suspicions and imaginations of everyone from conspiracy theorists to numerologists to psychics and especially podcasters. Tim and Zach explore who could be behind these intricate designs.