Geometric objects known as fractals used to be called 'beasts of mathematics' or 'outcasts'. Today, knowledge about them allows scientists to develop telecommunications, data security and entertainment (when the creators of cinema special effects use them), says Professor Andrzej Katunin from the Silesian University of Technology in Gliwice.
Researchers from the University of Warsaw have examined 15 million chemical compounds that could inhibit the activity of the protein responsible for lowering the body's resistance during COVID-19. Ultimately, the pool of compounds was narrowed to 400, and some of them are being tested in a lab.
Skeletal remains found in a cave with a bird’s skull in its mouth and another next to its cheek have been identified as belonging to a 12-year-old Scandinavian girl from the 17th century.