This is how pearls are extracted 🤯

World of Knowledge 🌎

Did you know that the shell of turtles has a lot of nerve endings and is sensitive to even small touches?

So the owner decided to build a small scratching station for his pet.

World of Knowledge 🌎

The pineapple eats you while you eat it

And it's all thanks to a substance in pineapple that gets back at you for eating it. Scientists have developed a curious enzyme with interesting properties. And it is contained mostly in pineapple, but also in kiwi and other fruits. This enzyme is called bromelain. This enzyme breaks down the protein that is found in our lips, which is why our lips burn when we eat pineapple.

World of Knowledge 🌎

Otto Aviation announced that they are ready to make private air travel available to everyone.

They have created an ultra-efficient plane Celera 500L, which consumes fuel like an ordinary minivan and can soar for 200 km from a height of 10 km with the engine turned off. For this it has been dubbed "the best thing that has happened in aviation in the last half century.

World of Knowledge 🌎

An effective method of fighting corruption

How China fights bribery on the roads.
If an employee is found in possession of cash, he is immediately fired. They buy food and other goods with coupons.

World of Knowledge 🌎

The dolphin's communication system is so developed that each dolphin has its own name, to which it responds when it is approached by
when it's spoken to by its mates.

They have approximately the same number of levels of sound organization as a human: six, i.e. sound, syllable, word, phrase, paragraph, context, there are their dialects.

World of Knowledge 🌎

There is a road in France that can only be used twice a day for a few hours.

Then it disappears below 13 feet from the water level because of the tide.

World of Knowledge 🌎

The Anglo-Zanzibar War took place on August 27, 1896 between Great Britain and the Sultanate of Zanzibar.

It lasted for 38 minutes and went down in history as the shortest war (according to the Guinness Book of Records).

World of Knowledge 🌎

If you have an important thing in mind, don't tell anyone about it.

When you tell other people about your plans, your brain thinks it's already done, and your motivation decreases. It sounds like superstition, but scientists have tested this fact in studies and found that this is how the psychological mechanism works.

World of Knowledge 🌎

When you hit the whip, you hear a whistle.

Because its tip moves faster than the speed of sound, producing a small supersonic pop

World of Knowledge 🌎

One-third of the world's food production ends up in the trash or is lost.

Each inhabitant of Europe and North America receives between 95 and 115 kg of discarded food per year, and each inhabitant of Africa, South and Southeast Asia receives between 6 and 11 kg per year.

World of Knowledge 🌎

The most expensive caviar in the world is Almas caviar, yellow beluga albino eggs.

It sells for almost $2000 per 100 grams.

World of Knowledge 🌎

The speed of the crocodile swimming near Australia.

According to some reports, it can reach speeds of up to 40 km/h in the water.

World of Knowledge 🌎