Computer science between traditions and innovations.- Methods and Algorithms for Creating and Reconfiguring Virtual Organizations.- Some remarks regarding traditions and innovations in the educational process.- Phenomenographic Approach to Teachers' Wait-time Use: Reasons and Consequences.- Some aspects of decision-making processes in social contexts.- Assessing Diversity and Inclusion in the context of the U.S. Federal Department of Health and Human Services.- Recent social perspectives between traditions and innovations.- Selected aspects of barrier materials assessment as a part of the reaction on threats and risks connected with CBRN problems.