A blind American man taught himself to navigate using echolocation. His hobbies include hiking and mountain-biking, and he has now trained over 500 students in his ‘tongue-click’ technique.
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Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
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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.
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If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
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In 2007, a Bosnian couple found out that they had been cheating on one another in online chatrooms... with each other.
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Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
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