Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Andre the Giant had surgery, but the doctors couldn't figure out how much anaesthesia to use due to his size. Instead, they used Andre's claim that "it usually takes two liters of vodka just to make me feel warm inside" as their guide.
16
In 2011, there were 3 known cases around the world of twins coming from different fathers.
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