Ancient Aliens: Radiation in Crop Circles HELPS Plants Grow?! (Season 19) | History

Billionaire establishes a grant for one of the largest studies of crop circles in history. See more in this scene from Season 19, Episode 2, "The Crop Circle Code."

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"Ancient Aliens" explores the controversial theory that extraterrestrials have visited Earth for millions of years.

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Ancient Aliens: Radiation in Crop Circles HELPS Plants Grow?! (Season 19) | History
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