We are delighted to announce that we will be receiving the visit of Prof. Agnieszka Szopa from the Department of Pharmaceutical Botany, Jagiellonian University, Kraków, Poland, in the frame of our collaborative work. During her visit, Prof. Szopa will give a talk entitled «Plant in vitro cultures as a source of antioxidants» which will take place on October 19th at 1 p.m. at Aula A15 from the Faculty of Biology.