1. Mount Fuji is actually privately owned land and does not belong to the Japanese government. The Japanese government needs to pay rent to the landowner in order to manage the land.

2. The so-called "drunken promiscuity" is actually an excuse. When a person is drunk, their sexual response drops to a low point, making it impossible to complete normal physiological activities.

3. Almost everyone will habitually look back after using the toilet, which is also a very interesting physiological and psychological habit.

4. If you find just one cockroach in your home, it means there could be around 20,000 (including cockroaches of all sizes) hiding there, because cockroaches reproduce very quickly and like to live in groups in hidden places.

5. In a flock of chickens, the "battle for dominance" is decided by pecking. Whoever wins the peck becomes the "boss." So when a chicken pecks at you, it's actually trying to challenge you to a duel.

6. Moving your eyes left and right for 30 seconds can promote communication between the left and right hemispheres of the brain and may even awaken some forgotten hidden memories.

7. A sample of 3,000 people showed that women keep secrets for an average of 47 hours and 15 minutes before they can't help but share them with others.

8. At least 9 million people worldwide share your birthday. Considering the global population, this number is not surprising.

9. Each time you shuffle the cards, the order of your hand is unique; historically, there has never been a combination of cards in exactly the same order.

10. VIP is an abbreviation for "very important person", which literally means "a very important person" or "VIP".

11. Singapore imposed a ban on the import and sale of chewing gum in 1992 because spewed chewing gum could clog subway doors, soil public facilities, and cause safety and hygiene problems (the restrictions on medical chewing gum were relaxed in 2004).

12. Studies have shown that 80% of people's daily conversations are about gossip, which is a very common form of communication in social situations.

13. The bumps that appear after being bitten by mosquitoes are not caused by the mosquito bites themselves, but rather by our bodies having an allergic reaction to the components in mosquito saliva.

14. Research shows that the order of Chinese characters does not necessarily affect reading. For example, even if the characters in this sentence are out of order, you can still understand the meaning because the brain automatically integrates information.

15. The portrait of Du Fu that we are familiar with is actually a self-portrait by the modern painter Jiang Zhaohe; while the classic portrait of Li Shizhen was painted by Jiang Zhaohe based on the appearance of his father-in-law.

16. Although cobra venom is highly poisonous, if swallowed directly, it will be broken down into ordinary protein by stomach acid. As long as there are no wounds in the mouth or digestive tract, there will be no poisoning.

17. Most commercially available mustard is not real mustard, but a substitute made from horseradish. Real mustard is made from wasabi, which is expensive and has a milder taste.

18. Metabolism does not stop during sleep; in fact, more calories are burned than when sitting and watching TV, because the body repairs itself during sleep.

19. When you consciously focus on your breathing, your natural breathing will become a conscious "manual control." Try it now if you don't believe me.

20. The grievance drum in front of the ancient government office was not originally used for people to seek redress, but to remind the officials in the office to leave work. It was not until the Ming and Qing dynasties that it became a tool for people to seek redress.

21. Suicide by holding one's breath is impossible. When a person holds their breath to the limit, they will subconsciously resume breathing; this is the body's instinctive reaction.

22. The keyboard you use every day has more bacteria than the toilet bowl because dirt and grime easily accumulate in the crevices of the keyboard and it is rarely thoroughly cleaned.

23. When most people are on the phone, their attention is focused on the conversation. If you hand them something during this time, they will instinctively take it.