Black hole. The mysteries of the universe.

What is a black hole? Why is the 2019 Event Horizon Telescope photo so important? Let's shed some lightAfter those responsible for the Event Horizon Telescope (EHT) project showed the world the first image of a black hole and the first image of a black hole at the centre of the Milky Way, many are trying to understand more about what still remains a very complex (and mysterious), [...]

Tears. Why do people cry?

In this article, we take a journey through the human body with a magnifying glass, discovering the hidden world. Tears. What are those tiny droplets for? Why are they salty? How many litres do we produce in a year? Let's find out together! The eye, also known as the eyeball, is a jellyball made up of 98% water. It is one of the most fragile organs [...]

What is déjà vu?

Have you ever had that feeling when you think you have seen or experienced a certain situation before? It's called déjà vu, but what is déjà vu? And if you want to know more about it, read this article! It's happened to everyone at least once in their lives: the feeling that you're experiencing something you've already experienced. Technically, it's [...]

What is colour? The effect of colour on mood.

What is colour? And why is the world so colourful? What are the main colours? Is it true that red makes bulls go crazy? Let's learn all about colours.Some say there are 300,000 colours, others even 3 million. In short, there are many colours, but scientists haven't figured out the exact number yet because each of us perceives a different [...]

The Antikythera mechanism and its secret.

The Antikythera mechanism and its history came to light at the beginning of the 20th century, exactly on May 17, 1902, a wreck of an ancient Roman ship was found off the island of Serigotto (Antikythera). Antikythera is a rocky island located between Crete and mainland Greece. In the early 1900s, a group of Greek divers from the eastern Mediterranean island of Symi were searching for natural sponges when, during a storm [...]

The mystery of the golden Inca figurines...

At the beginning of the twentieth century, in a tomb dating back to 1500 of the pre-Columbian civilization known as Quimbaia, some 100 small figurines representing animals such as: insects, fish, birds, lizards, bats, frogs and cats were found. Among these figurines, however, there were some that have puzzled many archaeologists and scientists. After all, these figurines resembled modern flying machines. [...]

Voynich's manuscript, the origin of...

Wilfried Wojnich was an antiquarian and rare book dealer from Poland. In 1912 he travelled to Italy and stopped in Frascati on the way. The Jesuit order wanted to restore the Villa Mondragone, but as they did not have much money at their disposal, they decided to sell some of the antique books in their possession. In this way, the antiquary became [...]

Cats, or one story of saving people from rats.

Cats, people and rats. The year 1942 was doubly tragic for Leningrad. In addition to the starvation, which claimed hundreds of lives daily, there was another plague, an infestation of rats. Eyewitnesses recall that the rodents were moving around the city in huge colonies. When they crossed the road, even the trams had to stop. Kira Loginova, a resident of Leningrad, recalled that - "... dark rats in long lines led by [...]

Janusz Korczak. Life for children...

Janusz Korczak was born in Warsaw in 1878. Working as a doctor in a children's hospital and educator in summer camps for underprivileged children he always treated needy patients free of charge. That period was marked by several wars and serving as a doctor in the Russian army during the Russian-Japanese War, Korczak wrote: "Before a country starts a war, it should think about an innocent child who [...]

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