1. Singer Billy Joel never sells front row seats in order to see the real fans right in front of him. He gives them away to random people in the cheap seats so that front row isn't always just wealthy people.
  2. Myopia is about twice as common in Jews than in people of non-Jewish ethnicity.
  3. 94% of terrorist attacks carried out in the United States from 1980 to 2005 have been by non-Muslims, according to the FBI.
  4. Bitcoin can handle 3 to 7 transactions per second, while Visa can handle more than 24,000 transactions per second.
  5. An elephant's skin can be up to 1 inch (2.54 centimeters) thick but is so sensitive it can feel a fly landing on it.
  6. In Nepal, Mount Everest is known as Chomolungma, meaning "Goddess Mother of Mountains."
  7. The Icelandic for 'sleep' is sofa.
  8. In 2005, a psychologist and an economist taught a group of monkeys the concept of money. Soon, the monkeys engaged in prostitution.
  9. Today's average American woman weighs as much as the average 1960s man.
  10. The U.S. joined Syria and Nicaragua as the only nations that aren't part of the Paris agreement to limit carbon emissions.
  11. If you deprive a fruit fly or a fish of sleep, it will try to catch up the next day.
  12. Butterflies have 4 eyes, bees have 5 eyes, most spiders have 8 eyes and Caterpillars have 12 eyes.
  13. A human eye can detect a candle flame 1.7 miles (2.76 km) away.
  14. After dissecting cadavers, Leonardo Da Vinci replaced the muscles with strings to see how they worked.
  15. A bird's feathers weigh more than its entire skeleton.
  16. In 1859, daredevil Charles Blondin walked across Niagara Falls on stilts.
  17. Beijing is the world's most expensive city for renters: a house rent is, on average, 1.2 times higher than the average salary, according to a 2016 report.
  18. Elon Musk nearly died in 2000 from a malaria infection following a trip to Brazil and South Africa.
  19. The word "Lego" is derived from the Danish words "leg godt", meaning "play well". The word "lego" also means "I put together" in Latin.
  20. One in three South African men admitted having committed a rape, a survey found.
  21. 3 in 4 girls in Niger marry before their 18th birthday, the highest rate of child marriage in the world.
  22. The term "Aryan" comes from Persia, meaning "noble." The term was later adopted by the Nazi racial theory to describe their "master race."
  23. Judges are more lenient after lunch, a study found.
  24. Peacocks fake sex sounds to attract females.
  25. 80% of what we learn is through our eyes.
  26. Pope Francis has never used the Internet.
  27. Adding salt to a pineapple will actually cause it to taste sweeter. It reduces the bitterness of the fruit.
  28. When the ex UK Prime Minister Margaret Thatcher died, the song "Ding dong! The witch is dead!" reached number 2 in the UK charts.
  29. Commercial pilots who fly on international flights and the flight controllers who the pilots talk to are required to be able to speak English, the international language of flight.
  30. 60%
    of the construction done at Machu Picchu was underground.
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