## The main infectious disease specialist of the USA made a dangerous mutation of the coronavirus :: Society :: RBC

According to Anthony Fauci, coronavirus can mutate and become more contagious. However, scientists have not yet found evidence that such a mutation will make the disease they cause more severe Anthony Fauci (Фото: Al Drago / Pool / Getty Images) The new SARS-Cov-2 coronavirus that causes COVID-19 disease can become more contagious in the event […]

## Bell on bell (math) | Science

Going through the history of mathematics leads to unexpected places, in this case to the steeples of 17th century England. At that time, groups of English bell ringers met regularly to practice the art of ringing bells. They set out to ring the bells of a bell tower in all possible orders without repetition. Such […]

## Yvonne Choquet-Bruhat: The mathematical physics that proved that the future of the universe is well defined | Science

The Spanish philosopher José Ortega y Gasset affirmed: “To be surprised, to be surprised … is to begin to understand”. The same idea pushed Yvonne Choquet-Bruhat as a child to want to “unravel some of the secrets of the strange universe in which we live, and the role that human beings play in it”, as […]

## Collatz Conjecture: First advance in decades on an apparently impossible problem | Science

In the 1930s, the German mathematician Lothar Collatz observed a curious phenomenon experimenting with integers. It seemed like a simple property, but the general proof, which would allow us to affirm that all numbers fulfill that property, resisted it. He began to spread the problem among his colleagues, but no one could solve it. In […]