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.
Dr. Anderson uses a pig carcass to investigate what happens to a human body when it decomposes in the sea.
Steve Sillett climbs a massive redwood, 350 feet in the sky, in order to study the unique environment of the forest canopy.
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