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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In 2011, there were 3 known cases around the world of twins coming from different fathers.
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In the wake of Goat Simulator's popularity, 'Rock Simulator 2014' was developed and released. Gameplay simulates life as a rock.
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Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
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