Thread of interesting things you (probably) didn’t know 🧵 1. These "wavy walls" in England surprisingly use fewer bricks than straight ones. Originating in Ancient Egypt, their arch design provides sturdy support with just one layer, unlike straight walls that require two.

2. What babies do in the womb

3. In 1750 BC, a man named Nanni in Mesopotamia filed the first documented complaint on a clay tablet against merchant Ea-nasir for delivering the wrong copper and mistreating his servant. Archaeologists found several complaints, exposing Ea-nasir's poor business practices.

4. How currencies got their names

5. The dog on the left, Arnie, is an award winning French Bulldog. The dog on the right, Flint, was bred by Hawbucks French Bulldogs, in the Netherlands. This breeder is working to restore a healthier template for Bulldogs, similar to how they looked about a century ago.

6. In 1930 the Indiana Bell building was rotated 90°. Over a month, the structure moved 15 inches per hour, with 600 employees working without interruption. Gas, heat, electricity, water, sewage, and phone services remained intact, and no one inside felt the movement.

7. Steve Jobs typed a letter to a fan who had requested an autograph from him, stating that he does not give out autographs. This letter ended up selling at auction for $400k.

8. A photorealistic image of George Washington if he lived in the present day

9. How close South Korea came to losing the war

10. Neitokainen is a body of water in Finland. It is shaped in the cartographic form of Finland.

11. Fake air vent built into a bunker in Normandy

12. Nyakim Gatwech is a South Sudanese model who is known as the "Queen of the Dark" due to her very dark skin, which is the result of high levels of melanin.

13. How braces work

14. Al Capone is the reason we have expiration dates on milk bottles: after his niece became extremely ill from spoiled milk, the powerful gangster reportedly lobbied aggressively for expiration dates to be placed on milk to ensure the safety of children and pregnant women.

15. Have you ever seen bats upside down? It looks like a goth nightclub.

16. How beer brands got their names

17. Saturn seen through Daniel Borja's telescope

18. Jazz up your water

19. The body’s early signals of potential diabetes

20. How parts of the brain got their names

21. Duck feathers have hydrophobic properties

22. Videos that make you want to become a doctor

23. Photorealistic image of Abraham Lincoln if he lived in the present day

24. At 157 m (515 ft), Cologne cathedral is the tallest twin-spired church in the world.

25. The Chicago skyline visible from nearly 50 miles away in Indiana Dunes sunset. During certain times of the year, the sun sets behind the skyline, offering this breathtaking view.

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