23 Fun Facts: Interesting facts that actually exist in the world and cover multiple aspects.

23 interesting and little-known facts that actually exist in the world and cover multiple aspects.


1. The eye drops expire one month after opening.

Second, it takes sloths about 14 days to completely digest a single meal.

Third, red bell peppers are fruits, not vegetables, and they contain four times the vitamins of lemons.

Fourth, fish contain trimethylamine oxide. This substance itself has no taste, but under the action of enzymes in the fish's body, it will release trimethylamine, producing a strong fishy smell.


5. The gravitational force is the weakest at the equator and the strongest at the poles.

6. Instant noodles were very expensive when they first appeared, and it was difficult for ordinary people to afford them.
7. A bottle of sparkling wine produces an average of 49 million bubbles, while a bottle of champagne produces an average of 250 million bubbles.

8. Frogs have relatively soft neck muscles, so when swallowing food, they need to use their eyes to push the food into their throats.


9. Moderate walking can make the brain healthier.

10. People with nearsightedness may have difficulty hearing others when they take off their glasses.

11. In our area, we call snow peas "Dutch peas," while in the Netherlands they are called "Chinese peas."

12. In the past, fishermen had to "fish for three days and dry their nets for two days" because the fishing nets at that time were mostly woven from hemp fibers. Hemp fibers were easily damaged after absorbing water and swelling, so they had to be dried and repaired every two or three days.


Thirteen, 1% of breast cancer patients are men.

14. Deer shed their antlers every year, and the newly grown antlers are called velvet antlers.

15. The term "下马威" originally referred to the imposing manner that officials displayed to their subordinates upon assuming office in ancient times.

16. The two nostrils work alternately, one exhaling and the other not, and they are switched approximately every three hours.


17. Stegosaurus and Tyrannosaurus Rex were not creatures of the same era.

18. Make a fist with your hands, and the circumference of your two fists is the circumference of your neck.
19. When a mosquito bites, it doesn't use one needle to insert into the skin, but rather uses six needles to try and find a vein.

20. Cooking meat thoroughly kills parasites inside, meaning the parasites are still inside the meat.


21. Humans and chickens share 60% of their genes.

22. Pigs are no less intelligent than chimpanzees; they are highly intelligent animals.

23. The brain is an organ that requires a lot of glucose. If the brain lacks glucose, a person will become irritable.
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