10 Jaw-Dropping Facts We Wish They’d Taught Us In School

Have you ever seen a flame in zero gravity? Do you know what Pablo Escobar’s personal hitman does today? Why do butterflies drink turtles’ tears? If you don’t know the answers to these questions, you’ll definitely want to read this article!

1. In zero gravity, a candle’s flame appears round and blue.

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In zero gravity, the flame would be round and blue. Such fire would burn at a temperature of about 1,830 °F. But when combustible substances exhaust, there’s a so-called cold burning at the temperature of 390 °F. Such flames are almost invisible but they still can scorch. 2. The most powerful and ruthless pirate in history was a woman named Ching Shih.

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3. The Dutch East India Company was the most expensive company in history.

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Today, its capital would be 8 times bigger than Apple’s capital. According to some calculations, the company would be worth $7.9 trillion at its peak. 4. In Finland, when you get a Ph.D. diploma, you get a top hat and a sword.

© lorralorralarfs / @reddit

The color of the hat depends on the faculty. Doctors of philosophy have black hats, doctors of theology have purple hats, those in law get dark red, and so on. 5. Pablo Escobar’s personal hitman is a vlogger today.

© Joaquín López-Dóriga / @twitter

His name is John Jairo Velásque and he is well-known on his YouTube channel as Popeye. 6. Thioacetal is the stinkiest substance in the world.

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A group of scientists in Oxford worked on an experiment with thioacetal. A stopper came off of a bottle containing residue of the thioacetal and even though it was replaced at once, it resulted in an immediate complaint of nausea and sickness from colleagues working in a building 200 yards away. 7. If you lift a box turtle and don’t release it back in the exact same place, it will probably die trying to find its way home.

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8.In Disneyland, there are roller coasters for kidney stones.

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After receiving reports of patients passing kidney stones after riding roller coasters, Dr. David Wartinger decided to conduct an experiment. He took a ride on a roller coaster 20 times with a 3D kidney model to collect data. The success varied from 16% to 100%. The size and the location of the stones didn’t matter. 9. In 1931, a scientist decided to conduct an experiment and raise a monkey as a human.

© Mad Science Museum

10. Butterflies drink turtles’ tears.

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In tropical regions, some animals don’t get enough minerals, especially salt since all their water is fresh. That’s why butterflies (and bees sometimes) drink turtles’ tears.

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