Category: English

According to the WHO, today more than 2.2 billion people suffer from vision problems, and for many of them it becomes a serious obstacle to a full and happy life. Modern medicine offers many solutions for improving vision, from glasses and contact lenses to laser correction, but not all of them can restore lost vision.…

There are many famous landmarks in the world, such as the Egyptian pyramids, the Arc de Triomphe in Paris or Stonehenge in England. Not all people have the chance to see these structures in person, so many of us know about them only from films and books. We are used to seeing them from a…

Acute respiratory viral infections, which we simply call a cold, at first glance have the same symptoms. But you may have noticed that different people suffer from the same disease differently, even within the same family – one person can endure the disease “on their feet” with mild symptoms, while another lies in bed with…

Our planet's environment is constantly changing, forcing millions of species to adapt to new, often harsh conditions. For example, about 5.5 million years ago, at the very end of the “golden age” for mammals (the Miocene epoch), the Mediterranean Sea almost completely dried up. This geological event, called the Messinian salinity crisis, lasted for at…

The longest nerve in the human body is the vagus nerve, also known as the nervus vagus. It earned its unusual name because its branches seem to “wander” around the body, starting in the brain and reaching organs such as the heart, lungs, stomach, and intestines. This nerve controls many important functions: from the heartbeat…

Forensic scientists are able to determine with high accuracy how long ago a person died. The process of decomposition of the body, as well as other changes, occur in it at a certain speed, knowing which, it is possible to calculate the moment of death quite accurately. But what if a person died at low…

Sleep takes up a lot of time from people – according to some estimates, by the age of 78, the time spent sleeping is about 25 years. Just imagine – an adult can spend a quarter of a century in this state during his life. But is it possible to give up sleep and spend…

In the 21st century, when almost every person on Earth has a smartphone, it may seem strange that someone still uses a pager. But this modest receiver, despite its respectful past, can still find a place in the modern world. In short, a pager is used to receive messages over the radio, and although it…

Transplanting a head onto a new body or its functioning outside the body using artificial organs is now perceived as science fiction. However, in the USSR, back in the 1940s, scientists conducted experiments aimed at studying the possibilities of maintaining artificial blood circulation, and life in general, using special medical devices. True, the experiments were…

In May 2024, China took another step forward in lunar exploration by successfully launching the Chang'e-6 space mission. For the first time in scientific history, this automatic station delivered to Earth soil fragments taken from the far side of the Moon, an area that scientists had previously only studied from a distance. Just 53 days…