1. A study indicates that dolphins talk to each other in sentences.
  2. Some Greenland sharks alive today were born before the English Civil War.
  3. Fruit flies take their time over difficult decisions.
  4. Abraham Lincoln was the first U.S. President born outside of the original 13 colonies.
  5. Blackbeard's ship had 40 cannons on it, making it one of the most dangerous pirate ships ever.
  6. Researchers say right-hand dominance in Neanderthals suggests that, like humans, they also had the capacity for language before they went extinct around 30,000 years ago.
  7. The word "Britain" is derived from "Pretain" meaning "painted", originally because the Britons had tattoos.
  8. Blue whales can eat half a million calories in a single mouthful.
  9. If vegetarianism was adopted by 2050, it would stave off about 7 million deaths per year, experts estimate.
  10. There are about 42 million prostitutes in the world.
  11. The gene that gives you six fingers is a dominant trait.
  12. In the U.S., an average family of four emits more greenhouse gases because of the meat they eat than from driving two cars.
  13. The middle finger has been used as a derogatory gesture for at least 2400 years.
  14. Favorable views of the U.S. around the world rose from a median of 51% in George W. Bush's final year in office to 66% during Obama's final 2 years.
  15. German citizens can travel to 177 territories without a visa nor a visa given on arrival, the most in the world.
  16. The Mongol Empire at maximum extend included more than a fifth of the entire world.
  17. Fidel Castro led Cuba for five decades and was the world's third longest-serving head of state, after Britain's Queen Elizabeth and the King of Thailand.
  18. Jousting is the official sport of Maryland.
  19. The white stain on the surface of the famous painting "The Scream" is candle wax.
  20. In Iceland, you can hand-draw a map on a piece of mail without an address, and it will still make it to its destination.
  21. Tony the Tiger, Kellogg's Frosties mascot, once asked followers to stop sending him anthropomorphic animal porn via Twitter.
  22. A newborn panda weighs less than an iPhone .
  23. Men who drink 6 or more cups of coffee daily decrease their risk of developing prostate cancer by 20%, a study found.
  24. Drug companies spend 24% of revenue on marketing and just 13% on research and development.
  25. Democide, the murder of citizens by their own government, surpassed war as the leading cause of non-natural death in the 20th century.
  26. The dress worn by Marilyn Monroe during filming of The Misfits sold for US$66,000.
  27. In 2010, Utah executed an inmate by using a firing squad.
  28. In 2015, a German man celebrated his birthday for 46 hours, the longest birthday ever, by travelling across time zones.
  29. Some offshore dolphins were found with deep-sea fishes in their stomachs. This evidence suggests that offshore dolphins may dive to more than 500 m (1,600 ft).
  30. Unlike most fish, seahorses are covered in bony plates instead of scales.
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