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.
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It 'snows' metal on Venus.
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Leonardo Da Vinci made a robotic lion in 1515 that would walk, sway, open its mouth and move its tail - it even had a compartment that opened to present flowers.
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An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59
Billions of neutrinos pass unnoticed through your body every second.
6
Lars Andersen has rediscovered an ancient form of archery that allows him to shoot 10 arrows in 4.9 seconds, while it takes others 13-35 seconds. He is even faster than the fictional archer Legolas in the Lord of the Rings series.
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