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99: Roosevelt’s Last Adventure: The River of Doubt

Made You Think

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The Cinta Larga and the Amazon

Hancock: Have you guys ever heard of the theory about the Amazon being manmade or man influenced? There's a Smithsonian article about it. Hancock: How long have humans actually been in the Americas? Yeah, and where I was going with that is like these tribes that they were coming in contact with. They seem to understand the rainforest. It was really like the river of doubt is a great name for the river, but for these guys it was basically the river of good fortune because things went wrong, but really they pulled off a miracle by surviving.

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