In a recent issue of Nature, the BOREXINO experiment team, including prof. Marcin Wójcik, dr Marcin Misiaszek & dr Grzegorz Zuzel from Jagiellonian University’s Faculty of Physics, published an article reporting direct observations of neutrinos from the first step of the proton-proton fusion process in the Sun. Direct detection of pp neutrinos is confirmation of physicists’ main theoretical models describing the Sun and its energy origins. »