The rate of twin births in Candido Godoi, Brazil is nearly a thousand percent above the global average.
Carmen has cared for his chimps since they were young. As adults, they're too powerful to be let out of their cage.
Just as the sun allows our atmosphere to remain stable, so too can it destroy civilization.
The crew is finally able to test a piranha's bite force -- and discovers the fish can chomp harder than a great white.
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