1. Babies dream for much longer than adults.

2. Compared to rats, more people have a stronger fear of frogs.

The number 3.2520 is divisible by any integer less than or equal to ten.

4. There is a condition known as "white coat syndrome," which refers to the phenomenon where some people experience a rapid heartbeat or elevated blood pressure when they are in a doctor's office.

Crocodile

5. The temperature during crocodile egg development determines the sex.

6. There are more than 400 components in a fart, but only hydrogen sulfide gives it a smell.

7. Penguins are the only birds in the world that can swim but cannot fly.

8. A handshake is a symbol of friendship, and this custom originated from hunting.

9. Women typically learn to speak earlier, use sentences earlier, and read faster than men.

mosquito

10. Mosquitoes prefer children to adults.

11. If you put an egg into water with added sugar, the egg will float on the surface of the water.

12. In ancient times, kites were called paper kites, and it was not until the late Tang Dynasty that they began to be called kites.

13. Due to the effects of male hormones, men's skin produces more sebum, which makes the thickness of men's facial skin about 10%-20% greater than that of women.

koala

14. Koalas don't drink water, but they lick tree trunks when it rains.

Fifteen. The mentality that "if you don't have it, no one else can either" is called the "crab mentality."

16. Wine is bottled in colored bottles because wine will spoil in sunlight.

The small hole at the bottom of the milk powder scoop is for balancing air pressure, so that the bottom can be filled with milk powder without being suspended in the air.

18. The first people to reach the summit of Mount Everest were actually two people, because they agreed beforehand to never reveal who was the first to set foot on Mount Everest, so they have always shared this honor.

Upside down

19. A person cannot urinate when upside down.

20. Snakes constantly stick out their tongues in order to sense their surroundings.

21. Lake Nicaragua is the only freshwater lake in the world inhabited by sharks.

22. Female katydids cannot make sounds; only male katydids can.

23. Some studies suggest that boys with unusual names are more likely to have mental health problems than boys with traditional names, while this problem does not occur in girls.