1. As many as 60 tribes remain largely uncontacted in the Amazon, or live in voluntary isolation.
  2. It was to Western Union that Alexander Graham Bell and his co-inventors first took their patent for the telephone. But its chairman said it was "nothing but a toy".
  3. After 74 years of production,
    Kodak stopped selling 35mm colour film in 2009.
  4. "The unsuccessful self-treatment of a case of writer's block" is the shortest academic article ever: it has no words.
  5. Norway's Bouvet Island was discovered in 1739, then lost again for another 69 years.
  6. A cow-smuggling tunnel was discovered in 2017 under the India–Pakistan border.
  7. A grain of sand officially measures between 0.06 and 2 millimetres across.
  8. Butterflies use their tongues like drinking straws.
  9. The world's largest Spanish-speaking country is Mexico, followed by the U.S.
  10. California accounted for nearly half of the U.S. solar electricity generating capacity in 2015.
  11. There is a note in the end credits of "Frozen" stating that Disney does not support the consumption of boogers.
  12. Human DNA begins to degenerate at 55 years old.
  13. Norwegian scientists are aiming to collect milk teeth from 100,000 children in the hopes of detecting links between prenatal and childhood chemical exposure and diseases later in life.
  14. The Mayans drilled holes in their teeth to fit semi-precious stones in.
  15. Terry Davis, a schizophrenic programmer, spent 10 years of his life programming an operating system to "talk to God."
  16. Hitler's home phone number and address was listed in Who's Who book until 1945. It was Wilhelmstraße 77, Berlin.
  17. In 2009, Billy Joel's daughter tried to commit suicide by taking a bunch of homeopathic pills. She survived.
  18. The last survivor removed from the WTC collapse debris in 9/11 was found in the ruins of the North Tower 27 hours after its collapse.
  19. Steve Wozniak put a fake bomb in a locker during high school and spent the night in a juvenile detention center where he taught prisoners how to disconnect the ceiling fan wires and connect them to bars so it would shock people on touch.
  20. In 2015, two con men sold a fake Goya painting for €1.5 million, only to find out that all the money was counterfeit.
  21. Sending parents text messages about their children's schoolwork can lead to improved academic performance, a study found.
  22. Looney Tunes was created to promote Warner Brother's music catalog in the 1930s. That's why it's "Tunes" and not "Toons."
  23. 70% of millionaires surveyed do not consider themselves "wealthy."
  24. Queen Elizabeth II has 4 drinks a day: a gin before lunch, a wine during lunch, a dry martini with dinner, and a glass of champagne following dinner
  25. TV show Seinfeld wasn't actually a "show about nothing," it was a show about how comedians get their material.
  26. Barns are painted red because red paint is cheap. The paint is cheap because iron is plentiful. Iron is plentiful because it is the final element formed out of a star's death.
  27. The co-owner of Macy's died on the Titanic. He refused to get in a lifeboat before women and children, and his wife refused to leave without him. They were last seen standing on the deck, arm in arm.
  28. Jews are often associated as scheming merchants who love money because in the Middle Ages Christians were forbidden to lend out money with interest, while Jews were not.
  29. In 2009, Canada passed the "Apology Act", establishing that apologizing to someone after an incident cannot be used in court against the person who apologized to establish their guilt or liability.
  30. Instead of donating money, Toyota helped the NY Food Bank by increasing efficiency, cutting line wait times from 90 to 18 minutes.
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