Welcome, dear viewers! This episode of "Fun Facts and Science Popularization" is here.

1. The weight of a pigeon's skeleton is about 1/20 of its body weight, which is lighter than the weight of its feathers.

2. The slowest swimming fish is the seahorse; it can only swim 16 meters per hour.

Haima

3. The mystery of Einstein's last words: A nurse was present at the time, but she couldn't understand German (Editor's note: What a pity!).

Einstein

4. Here's a Rubik's Cube solving formula: First, solve one side completely. Second side: Down, Up, Right, Down, Right. Third side: Left, Up, Right, Down, Right, Down. Fourth side: Down, Right, Up, Right, Down, Right, Up, Right. Fifth side: Double Down, Right, Up, Right, Down, Left, Up, Left, Right, Up, Up. Sixth side: Up, Up, Right, Center, Down, Left, Center, Up, Left, Up, Up.

5. Sitting makes it difficult to completely empty your bowels; the healthiest posture for doing so is squatting.

6. Cats will vomit when they hear the sound of a comb being scraped because the vibration frequency of the comb teeth is high-frequency, which will excite the cat's vomiting nerves.

cat

7. Plastic wrap was invented to prevent US military bullets from getting wet, and air conditioning was invented to lower the temperature of steel.

8. Before modern bone-setting techniques were available in Britain, if you accidentally broke a bone, you had to go to a blacksmith to have it set.

9. Blood pressure monitors were originally used to measure the blood pressure of horses.

10. To achieve a cancer-preventive effect, you need to eat a lot of tomatoes, which means about one kilogram a day. Tomatoes can also treat impotence.

11. It takes the sloth girl 12 seconds to take one step.

12. The phrase "half a catty is eight taels" originated because in ancient times, one catty was equal to 16 taels, so half a catty was equal to eight taels.

13. Li Bai was an unparalleled figure, skilled in both literature and martial arts.

Li Bai

14.40% of passenger plane pilots have dozed off during flight.

15. People with short legs can run very fast.

16. People who like this post will have pretty good luck.