There are many interesting scientific facts that, while they may not sound useful, can potentially revolutionize your worldview.

1. NASA had to rename the sizes of the urination devices used for male astronauts. The urine collection bags for male astronauts were previously categorized as small, medium, and large, but because no one wanted to choose the actual size, NASA had to rename them as large, enormous, and incredibly large.

2. It is possible for a person to have three parents (without the aid of genetic engineering). This could happen: a woman can release two eggs within a month, resulting in fraternal twins. Fraternal twins can theoretically be created with two different men, and babies with three parents could be born. This phenomenon is rare, but it has occurred. A 1982 paper documented a woman giving birth to twins of different races (one black, one white), a pair of twin boys in Austria with two different fathers in 1996, and a similar case in Denmark in 2007.

3. Studies on spontaneous blinking patterns have found that women blink 19 times per minute, while men blink 11 times per minute.

4. Some animals, like the skunk found in the west, are able to delay pregnancy by several months. In these cases, the embryo stops developing for a period of time before attaching to the uterine wall. Other animals with this type of delayed pregnancy include otters and kangaroos.

5. Flamingos are red not because they are born that way, but because they get their color from carotenoid pigments in their food, such as algae and shrimp. Otherwise, flamingos would be white.

6. The American pizza industry supplies up to 400,000 square meters of pizza every day.

7. After each player makes three moves in a chess game, there may be 121 million possible moves.

8. The verb construction of the English word "run" has been calculated to have nearly 650 different meanings.

9. By the time you are 70, your taste buds will have decreased by half.

10. The world's oldest chewing gum dates back at least 5,000 years.

11. -40 degrees Celsius and -40 degrees Fahrenheit are the same temperature.

12. An ostrich's brain is roughly the same size as its eyeballs.

13. The longest recorded flight time for a chicken is 13 seconds. Chickens are descendants of dinosaurs, and we share 60% of our genes with chickens.

14. Zebras are born white, but develop black stripes as they grow up.

15. About 70% of the world's organisms are bacteria.

16. A giraffe's neck contains the same number of vertebrae as a human.

17. Newborn camels do not have humps.

18. A hedgehog's heart beats an average of 300 times per minute.

19. A blue whale's heart is so large that a child could crawl through its blood vessels.

20. Polar bears have black skin, and their fur consists of transparent hollow tubes that change color depending on their natural environment, so polar bears usually appear white.

21. Frogs have very soft neck muscles, so they need to use their eyes to press the food down their throats to swallow it. When you see a frog "blinking," it's because it's inhaling its eyes to push the food into its stomach.

22. Only one-fifth of the Sahara Desert is sand; the rest is likely extremely arid land. Deserts are classified based on the lack of rainfall, and Antarctica is the world's largest desert.

23. Everyone's tongue has a unique mark, just like our fingerprints.

24. Strawberries are not berries, but bananas are berries.

25. Resting your head against a wall burns 150 calories per hour.

These little-known facts may not be very useful, but they're certainly interesting, aren't they? Which one of these facts has overturned your worldview?