At different times, the hosts of the popular science show were Alexander Pushnoy and Vladimir Markoni. They were replaced by the popular blogger-inventor Dane Kraster. In the filming studio, Kraster will showcase many unexpected experiments, tackle complex and tricky questions, and significantly simplify the lives of parents whose children have entered the "why" age. Video clips will help students better understand the material covered, allowing them to learn interesting facts about cultural and scientific achievements.