McDonald's serves 75 hamburgers every second, according to the company’s Operations and Training Manual.
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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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A man called Dean Karnazes ran 350 miles in 80 hours with no sleep, ran a marathon in the South Pole in -25 °C temperatures without snowshoes, and ran 50 marathons in 50 states in 50 days.
14
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20