When journalist, Emilio Gutierrez, publishes a story about the Mexican military, he starts receiving death threats.
The rate of twin births in Candido Godoi, Brazil is nearly a thousand percent above the global average.
Psychedelics over-stimulate serotonin receptors in the brain, resulting in a blissful experience or a horrifying one.
Carmen has cared for his chimps since they were young. As adults, they're too powerful to be let out of their cage.
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