Some interesting little-known facts

1. Disposable gloves are not oil-proof.

​2. There are two buttons on the toilet, one large and one small. Some people always believe that pressing the large button will produce a large amount of water for flushing stools; pressing the small button will produce a small amount of water for flushing urine. In fact, this is a fallacy. There is no difference in the amount of water produced by the two buttons.

​3. The "close door" button on the elevator button is not always effective. Many people believe that pressing the "close door" button can speed up the closing of the elevator door, but in fact, this button is usually only used by emergency personnel and will not affect the closing speed of the door under normal circumstances.

​4. The body does not know the existence of the eyes. Once it knows the existence of your eyes, your eyes will die. It is the brain that helps you hide it.

​5. The ice cream emits steam because there is a lot of water vapor in the outside air that is invisible to the eyes. When it touches the very cold ice cream, it liquefies into mist droplets surrounding the ice cream, which looks like the ice cream is "steaming".

​6. Which animal has the largest eyes? Among all the creatures living on land, the animal with the largest eyes, calculated from the perspective of eyeballs, is the horse!

​7. Women lie more than 6 times a day on average, while men lie 2.5 times.

​8. Women's skin temperature is lower than that of men, and they are more afraid of cold but not heat, so the water temperature for girls to bathe is higher than that of boys.

​9. The music played in the restaurant is to "trick you" that the food is delicious! The bass brass will enhance everyone's taste for sourness, while the clear piano sound will enhance everyone's taste for sweetness.

​10. When mosquitoes suck blood, they don't use one needle to pierce you, but six. And it's not a one-time check, you need to bend back and forth to find the blood vessels.

​11. The forget-me-not mentioned in the TV series is actually the daylily in our reality.

​12. Soybeans and edamame are actually the same plant.

​13. As long as one of the mandarin ducks dies, the other will immediately look for a new mandarin duck.

​14. Only female mosquitoes bite people because they need human blood to hatch their eggs.

​15. If you don’t know who farted in the elevator, the person who covers his nose first has an 80% chance of farting.

​16. When you put boiling water in a thermos, remember not to shake it, or it will explode.

​17. It is actually wrong to eat fruit after a meal. The best time to eat fruit is before a meal.

​18. Electric air conditioners, TVs and other household appliances actually consume electricity when they are not unplugged.

​19. If you think someone hates you, he must have hated you for a long time; if you think someone likes you, then she probably doesn’t have that kind of intention towards you.

​20. The most important job of a flight attendant is not to serve tea and water, but to ensure your safety; I hope you will never need them to perform their duties in this life.

​21. In Russia, when you visit someone else’s home, you must greet the hostess first before you can greet others.

​22. Many hotels have transparent glass, not to add interest, but to save electricity. Because if it is not transparent, many people will not turn off the lights in the bathroom.

​23. Dutch beans, called "Dutch beans" in China, are called "Chinese beans" in the Netherlands.

​24. When you realize that you are breathing, your breathing sensation will change from automatic to manual.

​25. You cannot walk in a straight line with your eyes closed, no matter how accurate your sense of direction is.

​26. When glass breaks, the speed at which glass fragments are ejected is very fast, up to 5,000 meters per hour.

​27. Russian girls can cook. It is reported that in Russia, when girls are in high school, the school has someone who teaches them to cook, sew clothes and other housework, and they also have to pass exams. The reason why the school does this is to make them good wives in the future. In this way, they can take better care of the family.

28. The oral cavity of girls is 3-4 cm deeper than that of boys. The distance from lips to throat is about 13 cm, and the volume reaches 92 mL. Therefore, when girls drink water, their mouths contain more water and are more likely to choke.