1. People in the most successful marriages spend an average of 5 more hours a week being together and talking, marriage researcher John Gottman found.
  2. Flies drink alcohol when they are sexually frustrated.
  3. In 2017, Australian scientists discovered 50 new species of spider in one 10-day research trip.
  4. In 1948,
    only 2%
    of British households
    had a fridge.
  5. Spiders eat twice as much animal prey as humans do in a year, and even exceeds that of whales.
  6. Vitamin B6 helps you remember your dreams.
  7. Since 1953, the regional bank Credito Emiliano in Italy has accepted a curious collateral for small-business loans: giant wheels of Parmigiano-Reggiano cheese.
  8. Japan has blue traffic lights in some areas because historically the Japanese used the same word for green and blue.
  9. Catalonia has declared independence four times in history, since 1641.
  10. In 2016, a 91-year-old woman filled out a crossword that turned out to be $116,000 artwork in a German museum.
  11. British trains cost 5 times more than ones in Europe.
  12. Research has found that fathers who use cocaine prior to conceiving a child have sons who struggle to make new memories.
  13. Author Stephen King didn't tell his kids bedtime stories. He made them tell him stories.
  14. On a typical day along the U.S.-Mexico border, Customs and Border Protection seizes an average of 7,910 pounds of drugs.
  15. Hugh Hefner worked as a copywriter for Esquire magazine, from where he resigned in Jan 1952 after being denied a $5 raise. 11 months later, he published the first issue of Playboy.
  16. The Palace of Parliament in Romania is the world's largest administrative building. The cost of heating and electric lighting alone exceeds $6 million per year, as much as the cost for a medium-sized city.
  17. Islam is the world's most common state-endorsed religion, with 27 countries.
  18. Chinese immigration was made illegal in the U.S. from 1882 to 1943.
  19. Western Union didn't stop sending telegrams until 2006.
  20. Dolphins go on killing sprees when they're sexually frustrated.
  21. A traditional beer tap will not work on an airplane as it will only dispense a huge amount of foam.
  22. More than half of the Earth's surface is not subject to any nation's laws.
  23. Iceland has more volcanoes than professional soccer players.
  24. The average Australian cat eats more fish per year than the average Australian.
  25. In 2015, President Obama made it legal for Americans to own asteroids.
  26. Cuttlefish have 3 hearts.
  27. A book credited to George H. W. Bush's dog spent 23 weeks on the U.S. bestseller list.
  28. Abraham Lincoln only had a beard for the last 5 years of his life.
  29. Adolf Hitler was the first European leader to ban human zoos.
  30. Researchers tried 2000 times to ignite gasoline with a cigarette and failed.
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