1. Attendees at Western funerals typically wear black clothing, not out of mourning for the deceased, but out of fear of them.

2. When the inventor of the frisbee died, his ashes were made into a limited edition frisbee toy.

3. The London plane tree is not the same as the Chinese parasol tree.

4.90% of dreams are forgotten; people are completely unaware that they are dreaming.

5. Potatoes make a "scream" that is inaudible to the human ear when they are peeled.

6. Every year, 1.8 million people worldwide die due to lack of adequate toilets and sanitation facilities.

7. The year 386 AD saw the most emperors in history, with a total of 13 emperors.

8. Ice cream can relieve the feeling of fullness. If you want to eat more at a buffet, you can eat some ice cream to relieve the feeling.

9. A gas cloud near Sagittarius B contains more than 100 quadrillion tons of alcohol.

10. The world's first passport appeared in the 15th century and was issued by King Henry V of England.

11. There is a psychological disorder called "boanthropy". People with this disorder believe that they are a cow and will try their best to act like a cow.

12. In ancient times, there were examples of people committing suicide by eating salt, but such people were usually either rich or noble, because salt was very expensive in ancient times.

13. "Japanese tofu" is not actually tofu; its main ingredient is eggs.

14. A survey shows that women's speaking pitch has increased by 23 Hz over the past few decades.

15. The buttocks are not exposed to wind and sun, and are rarely affected by endocrine factors, so the skin on the buttocks is even more delicate than that on the face.

16. The shoulder joint has the greatest range of motion in the body, and it is precisely because of the flexibility of the shoulder joint that the human hand can reach almost any part of the body.

17. If you mock a cow, it will be sad because it feels insulted.

18. A survey by the American Dairy Innovation Center shows that 7% of American adults believe that chocolate milk comes from Brown Southern cattle.

19. Not everyone experiences the energizing effect of coffee; some people even feel sleepy after drinking it.

20. Psychological studies indicate that a person's number of close friends will not exceed 150, and most people's number of close friends is between 50 and 150.

21. In the last 40 years, the number of wild animals on Earth has been reduced by half.

22. Elephants can use the folds of skin on their backs and legs to crush mosquitoes.