The December 2021 issue of TWINCORE's CoreNews highlights current antibody development research projects, including the MEMUMAB project aimed at isolating specific antibodies from the serum of vaccinated or recovered individuals. Additionally, it presents measures to promote sustainability at the institute, such as the transition to controllable LED lighting in laboratories, and initiatives to create more flexible workplaces, including the installation of table tennis tables for active breaks. The issue also reports on the successful online implementation of the "Lower Saxony International Summer Academy" (LISA), which attracted 33 participants from 20 countries.