› added 5 years ago

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TIL that live snails need their own train ticket, if you take one on a train in France. According to French law, when taking any animal under 6KG (~13lbs) one must pay 7 Euro (~$7.5) for the ride. Law requires you to stay with your snail and keep it and the other passengers safe for the whole ride.

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E1E0X TIL the first airplane dogfight was between two American mercenaries on opposing sides in the Mexican Revolution. Both men had orders to kill, but neither pilot wanted to harm the other, so they exchanged multiple volleys of pistol fire, intentionally missing before exhausting their ammunition.
J0wv TIL the 4th and 5th tallest structures on Earth are TV antennae serving Fargo, North Dakota.
vPlx8 TIL about Frederick S. Dawn (Tang Xinyuan), who was a NASA Chief Engineer and textilist who invented several heat-resistant fibers that were critical in the development of the US Space Program. He was later called "The Father of the Space Suit" after Apollo 11's successful landing.
vPNAB TIL that Pinky Promise started in early modern Japan (1600-), presumably from the older punishment of cutting fingers for friendly fire, and by the late 1800s it was common among children across different parts of the world
yEgJ TIL that Henry Beecher, anesthesiologist in Boston, published a 1966 article that drew attention to 22 examples of unethical clinical research that had risked patients’ lives, which along with subsequent Congressional investigation led to current guidelines on informed consent and human research.