13 interesting facts about this world that you don’t know yet

Our brain starts to work even before birth, and its development never stops. In addition, in order for the brain to function normally throughout life and remain healthy even in old age, our gray cells need to constantly acquire new knowledge.

Today, I will share with you 13 interesting facts about the world that we don’t know enough about. I believe they can impress you deeply.

1. Survey data of the game "Rock Paper Scissors"

A poll of 100 people showed what people would do first in the "rock-paper-scissors" game.

2. The huge Songdong cave in Vietnam

This cave is large in scale, can accommodate the entire New York area of ​​the United States, and has its own climate system.

Phong Nha-Ke Bang National Park in Vietnam is home to the largest cave in the world, and this place is rarely visited. This image shows how the collapse caused by erosion leaves incredible openings for sunlight to penetrate, creating a fascinating light show.

3. Michael Phelps has 13 individual Olympic gold medals, which is an absolute world record.

Apart from him, the only person who can brag about this achievement is Leonidas from Rhodes, Greece, who lived in 152 BC.

4. The license plate in northwestern Canada takes the form of a bear.

In 1970, to celebrate the centenary of the territory, a unique polar bear-shaped license plate was introduced. Since then, the basic bear shape has been retained, and the license plate is now a registered trademark of the Northwest Territories of Canada.

5. The decorative elements of some houses are made of foam

Some decorative elements are made of foam and covered with a thin layer of concrete. It is cheaper than real stone, and it looks great, at least before it breaks.

6. What to do if there are scratches in the eyes

If there is a scratch in the eye and you need to find its location, the ophthalmologist will drop ultraviolet dye and use light to determine the location of the damage. In this photo, the wear is at the bottom of the pupil.

7. The quietest place on earth belongs to Microsoft.

This room has concrete walls for testing new equipment. You can hear how the human heart beats and blood flows through his veins.

8. Double rainbow

If the rainbow is double, then each of them will go in a different direction: one is red at the bottom and the other is purple.

9. Hippo will make sunscreen

Hippos’ sweat-absorbing red hue gives them their characteristic blush, and it is also an excellent sunscreen and antibiotic.

10. Snail teeth are a very strong material. They can even chew stones.

11. The management of McDonald's plans to launch broccoli with chewing gum taste and aroma. A healthy diet designed to attract children, but the idea failed.

In 2014, the company’s CEO Donald Thompson was asked what steps the fast-food giant is taking to provide children with healthier food choices. Three years ago, the chain had transformed its fast food by halving the number of French fries and offering fruit as an option. But Thompson said that they also tried some unconventional methods to induce children to eat healthier. He said that one of the innovations is broccoli with bubble gum flavor. But this idea had better be abandoned and failed.

12. A house divided in half by a national border

In Barle-Hertog, you can stand in Belgium on one foot and the Netherlands on the other, because this is the border between countries. Some houses are divided into two halves by the border, and the current laws are different. Therefore, the Dutch authorities require the bar to be closed at a certain time, and then visitors have to move to a neighboring table because the neighboring table is located in Belgium.

13. Flamingo can sleep when standing on one leg

The skeletons of flamingos are arranged in a unique way to stand on one leg. They do not need to use muscles. The legs are fixed in place and the body is balanced by gravity, so they will not feel tired. But they sometimes sleep curled up.