The idea of the butterfly effect is simple: a small, initially unimportant event can have an unpredictable major impact. In the video recently published on our YouTube channel, Prof Dr László Rákosy explains this phenomenon by giving a practical example. He explains how his many years of work in the region around Cluj-Napoca have contributed to the development of local communities. It all goes back to the discovery of tiny butterflies: Four species of the extremely rare large blue butterflies can be found all together in this region. This makes the area unique in the world.
The whole story is told by Prof Rákosy on YouTube: