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The Mystery of Pumapunku Part 2

Astonishing Legends

00:00

Is It Possible to Soften Stones With Plant Extracts?

Theories about the origin of carboxilic acid are based on ancient South American legends. This is something that no scientist will take into account when trying to figure out chemistry, he says. He also mentions plant extracts capable of softening stones as a possible reason for their existence. But this doesn't seem any crazier than all the other propositions - it's just another theory in an ongoing battle between scientists and historians.

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