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29. Digging a hole to China is actually possible if you start in Argentina.

30. Mosquitos have 47 teeth.

31. A quarter of the bones in your body are in your feet.

32. Brain waves can be used to power an electric train.

33. The Boston Marathon didn’t allow female runners until 1972.

34. Pigs get sunburned.

23. Tigers have striped skin, not just striped fur. The stripes are like fingerprints—no two tigers have the same pattern.

24. Elephants are the only mammal that can’t jump.

25. Alligators will give manatees the right of way if they are swimming near each other.

26. Baked beans aren’t baked, but stewed.

27. Despite its hump, camels have straight spines.

28. Sunsets on Mars are blue.

44. The state of Ohio gives out different colored license plates for those with a DUI conviction.

45. People don’t sneeze in their sleep due to their brain shutting down the reflex.

46. Alaska has more caribou than people.

47. Oysters can change from one gender to another (and back again).

48. Dead people can get goosebumps.

49. The Mona Lisa has no eyebrows.

50. A ten-gallon hat holds less than one gallon of liquid.

36. “Bluetooth” technology was named after a 10th-century king, King Harald Bluetooth. He united Denmark and Norway, just like the technology united computers and cell phones.

37. There are 18 different animal shapes in the animal cracker zoo.

38. Hart Island is the final burial place for over a million of New York City’s unclaimed bodies.

39. There’s a town called “Big Ugly” in West Virginia.

40. You share your birthday with at least 9 million other people in the world.

41. No piece of paper can be folded more than 7 times.