Author: Today I Found Out
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→Subscribe for new videos every day! http://bit.ly/todayifoundoutsubscribe →Why Do Superheroes Wear Their Underwear on the Outside?: http://bit.ly/1Ow7J0K Never run out of things to say at the water cooler with TodayIFoundOut! Brand new videos 7 days a week! More from Today I Found Out: Why Black Friday is Called Black Friday http://bit.ly/1Ikvrfm The Difference Between Concrete and Cement http://bit.ly/1gPX1XK Find more interesting quick facts here: http://www.todayifoundout.com/index.php/category/quick-facts/ In this video: 1. How do we know vampires don’t exist? If each vampire ate just 1 meal a day, starting with just 1 vampire and each victim then turning into a vampire, it would take about 1 month for the entire human population to become vampires. (QF 466) 2. Pearls will dissolve if placed in vinegar as they are mostly made up of calcium carbonate, easily dissolved by acetic acid, which is most of what vinegar is. (QF 510) 3. The 7 Wonders of the Ancient World were: the Great Pyramid of Giza (2584-2561 BC), the Hanging Gardens of Babylon (600 BC), the Temple of Artemis at Ephesus (550 BC), the Statue of Zeus at Olympia (435 BC), Mausoleum at Halicarnassus (351 BC), the Colossus of Rhodes (292-280 BC), and the Lighthouse of Alexandria (280 BC). It should be noted though that many historians doubt that the Hanging Gardens ever actually existed. (QF 519) 4. If you live in the U.S., you are nearly four times as likely to be killed by a vending machine as a shark, with an average annual death rate of 2.18 for vending machines and 0.6 deaths from shark attacks. (QF 540) 5. You are about 40% more likely to survive a commercial plane crash if you sit in the back row of the plane compared to the front row, according to a study done by Popular Mechanics covering every accident aboard commercial planes from 1971 to 2007. (QF 542) 6. “Nazi” isn’t just the name of a one-time prominent political party, but also the Swahili word for “coconut”. (QF 551) 7. Ever wonder what the Q in Q-tips stands for? Wonder no more- it stands for “Quality”. Before they were given that name, they were called “Baby Gays”, invented and named in the 1920s by Leo Gerstenzang. (QF 566) 8. The wife of famed poet Henry Wadsworth Longfellow tragically died when she accidentally dropped a burning match onto her hoop skirt, which burst into flames and ultimately killing her. (QF 578) 9. Despite being twice as abundant as iron in the earth’s crust, in much of the 19th century, aluminum cost more than gold due to the difficulty in isolating it from other substances. For reference, in the 1850s, one ingot of aluminum went for $550 (about $15,000 today). By 1900, thanks to technological advancements, the same ingot was selling for just 25 cents ($7 today). (QF 584) 10. In the time it takes you to listen to this, hundreds of billions of neutrinos have passed through your body. Specifically, close to 65 billion neutrinos from the Sun pass through every square centimeter of you that is currently perpendicular to the Sun every single second that passes. (QF 587)