An open lecture entitled Vitamin D in the skin: Something new under the sun, hosted by Prof. Andrzej Słomiński from the University of Alabama at Birmingham will be held on 20 May from 10:00-12:00 in the Stanisław Hiller Hall in the Collegium Biomedicum building and online. The meeting is organised by Prof. Michał Żmijewski – Head of the Department of Histology of the MUG and coordinator of research team 4. Imaging of cell pattern and cellular processes from PRA 3.