Chocolate P Automata -- Solving the N-Queens Puzzle by Using Few Membranes -- Model of Antibiotic Resistance Evolution Dynamics Through P Systems with Active Membranes and Communication Rules -- Small Spiking Neural P Systems with Structural Plasticity -- Approximating Polygons for Space-Filling Curves Generated with P Systems -- A Logical Representation of P Colonies: An Introduction -- The Fair Proportion is a Shapley Value on Phylogenetic Networks Too -- Deterministic Parsing with P Colony Automata -- ACORD: Ant Colony Optimization and BNF Grammar Rule Derivation -- Membrane Computing as a Modeling Tool: Looking Back and Forward from Seville -- Identifiable Kernel P Systems -- Other Buds in Membrane Computing -- The Java Environment for Nature-Inspired Approaches (JENA): A Workbench for Bio-Computing and Bio-Modeling Enthusiasts -- WEBRSIM: A Web-Based Reaction Systems Simulator -- Open Problems in Membrane Computing and How Not to Solve Them -- A Note on the Entropy of -- An Introduction to cP Systems -- A Look at the Descriptional Complexity of SNQ P Systems -- Design Patterns for Efficient Solutions to NP-Complete Problems in Membrane Computing -- Spiking Neural P Systems: Theoretical Results and Applications -- Aggregating Parallel Multi-set Rewriting Systems -- On Languages Generated by Context-Free Matrix Insertion-Deletion Systems with Exo-Operations -- A Simulation Workflow for Membrane Computing: from MeCoSim to PMCGPU Through P-Lingua -- An Implementation of Elementary Arithmetic with Virus Machine -- A Kernel-Based Membrane Clustering Algorithm. .