Ten talented chemistry enthusiasts exchanged a week of holidays for extra learning and attended a BIOCHEMWEEK organized by Ing. Květoslava Stejskalová who has extensive experience in teaching and popularizing science. The week of chemical and chemical-biological experiments, took place in venues of the J. Heyrovský Institute of Physical Chemistry in the last week of August. Participants much welcomed an opportunity to visit the modern laboratories of the Department of Nanocatalysis.