On Monday March 20, 2023, Kateřina Němečková associated to the Center for Geosphere Dynamics successfully defender her PhD thesis entitled „Detecting biomarkers of expremophiles in Martian analogues“ under the supervision of prof. Jan Jehlička. On the photo with her supervisor and one of the reviewers, prof. Peter Vandenabeele from Ghent University (Belgium) and other members of the comittee. Congratulations!