There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
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The highest speed ever achieved on a bicycle was 167.04 mph by Fred Rompelberg in 1995.
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A man with locked-in syndrome, named Jean-Dominique Bauby, wrote an entire book by blinking his left eyelid.
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Korean Okhwan Yoon left behind a profitable business to cycle the world in aid of world peace. For over 9 years, he has biked across 192 countries on six continents, and has survived 6 car accidents, malaria, extreme temperatures, robbery, and kidnapping.
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