11 interesting and little-known facts that are rarely used in practice.

roller coaster

1. If you have small stones in your body, riding a roller coaster might help expel them. Of course, the most important thing is to see a doctor first.

2. People who love to eat eggs may have encountered a situation where there is another shell inside an egg after peeling off one layer of shell. In fact, this kind of double-shelled egg is a deformed egg, and the reason is that the hen is frightened when laying eggs.

3. The earliest mosquito coils were not spiral-shaped, but straight sticks like chopsticks. However, because these stick-shaped mosquito coils were not only easy to break during transportation, but also burned very quickly, spiral-shaped mosquito coils in coils were invented.

food

Fourth, the concept of food incompatibility is familiar to many people, but modern scientific research has found that there is actually no direct evidence to prove that food incompatibility exists.

A Swedish study showed that when a choir performs, all choir members have the same heart rate, which proves the idea that a person's heart rate can synchronize with the rhythm of the music.

6. When the body is in a normal state, phlegm is usually colorless or light gray and has no special odor. Its cleanliness is similar to that of saliva, so it is not a problem to swallow it when it is inconvenient to spit it out.

strawberry

7. Apples and strawberries may seem like two unrelated fruits, with significant differences in appearance and taste, but they are actually "relatives," both belonging to the Rosaceae family.

8. Sea cucumbers cannot catch sea creatures in the summer, so they go into "summer hibernation" because these sea creatures will rise to the surface to get food in the summer.

9. Theoretically speaking, if a human defeats the monkey king in front of the monkey troop, the person who defeats the monkey king may gain the monkey troop's approval and become the new monkey king.

Tom and Jerry

10. Everyone knows that cats can fall from great heights without getting hurt, but few people know that mice can do the same. Mice can fall from the fifth floor without getting injured. It is also worth mentioning that cats catch mice not because they like to eat them, but to obtain taurine, which is essential for their bodies. If the body lacks this substance for a long time, it may lead to blindness.

snowman

11. When you see something cute, you can't help but pinch it. This behavior is called "cute aggression impulse." It is a destructive behavior produced by the brain to maintain emotional balance and avoid the brain from having an overly intense emotional reaction to cute things.