The largest science festival in the Czech Republic. Lectures, exhibitions, on-site events, documentary film screenings, workshops, open days, and many other activities across the country and scientific disciplines. The fifth edition of the festival celebrating the Czech Academy of Sciences. On 3-9 November, 2025, in the Academy’s headquarters on Národní St. in Prague, as well as in various CAS research institutes across the country. The event is designed for secondary school students, general public and enthusiasts. Admission free to all festival events. Please note, that reservations are usually required for lectures, screenings, workshops, and selected open days.