Category: "It is interesting"

ARI is an infectious disease thatspreads by airborne droplets. As a rule, respiratory diseases affect the respiratory organs, starting from the nasopharynx and ending with the lungs. As a matter of fact, everyone has been familiar with the diseases of this group since childhood. But when did they appear on Earth? As a recent study shows, dinosaurs suffered from respiratory diseases as early as 145 million years ago. In a diseased sauropod,Continue Reading

Figure skating is a speed skating sportwhich athletes perform rotations, jumps and other elements to the music. It is believed that it originated in the 12th-14th centuries in Holland, and at first the athletes simply tried to draw various figures on the ice, while maintaining a beautiful pose. After that, championships began to be organized, and in 1924 figure skating becameContinue Reading

Valentine's Day is a holiday thatrooted in Catholicism, but for many years it has been celebrated in many countries as an absolutely secular, called Valentine's Day. Contrary to popular belief, he is not alien to Russia at all. In pre-revolutionary times, February 14 was one of the most beloved holidays of the nobles. In the USSR, they forgot about him, but withContinue Reading

According to the official version, the cradlehumanity is Africa. It is on this continent that the fossils of the first humans, such as Homo Naledi, are found. In addition, about 270 thousand years ago, modern people appeared here. However, the latest study of the vertebrae of one of the extinct human species aged one and a half million years may cast doubt on the theory of the African origin of people. It says thatContinue Reading

Today on our planet lives almost eightbillion people. This is an absolute record for our species. We have populated all the continents and divided the landmasses among ourselves. We built cities, sent robots to other planets, and created technologies that our ancestors could only dream of. But this apparent well-being, alas, is illusory. The thing is, humanity...Continue Reading

Whale hunting is prohibited worldwide.The exception is the inhabitants of Chukotka - they have official permission to hunt, though not commercial. The fact is that for the people living in the farthest north off the coast of the Bering Sea, that is, in permafrost conditions, this fishing is the only way to survive and feed their families. Occupation is deadlyContinue Reading

None of the politicians, experts or ordinary citizensdoes not believe that in the modern world a military conflict with the use of nuclear weapons can arise. After all, the consequences will be catastrophic for everyone. Being in their right mind, no one wants to go back to the Stone Age. It would seem that there is nothing to worry about. However, few people know that the world was already half a step awayContinue Reading

For some, this will be a big surprise, butScientists learned about the existence of dinosaurs only in the 19th century. In 1824, British paleontologist William Buckland became the first explorer to describe Megalosaurus, a large predator that lived during the Jurassic period. However, according to historical documents, dinosaur bones were discovered earlier, by the inhabitants of Ancient China, Ancient GreeceContinue Reading

The islands of Ratmanov and Kruzenshtern are two differentof the world, which are separated from each other by the Bering Strait, a distance of 4 km and 21 hours of time. The thing is that one island belongs to Russia, and the second belongs to the United States. You can get from one island to another in about 20 minutes, but despite this they belong toContinue Reading

During the Olympic Games and other sportscompetition, each participant wants to be the winner. Sometimes, in order to achieve their goals, they resort to doping - the use of substances that give a person increased strength, endurance and improvement in other physical indicators. It may seem that this is a relatively new invention, but stimulants have been used by athletes since very ancient times. Yes, at the timeContinue Reading