Invited Papers -- Quantum Experiments Can Test Mathematical Undecidability -- Computational Challenges and Opportunities in the Design of Unconventional Machines from Nucleic Acids -- Predictions for the Future of Optimisation Research -- Immune Systems and Computation: An Interdisciplinary Adventure -- Regular Contributions -- Distributed Learning of Wardrop Equilibria -- Oracles and Advice as Measurements -- From Gene Regulation to Stochastic Fusion -- A Biologically Inspired Model with Fusion and Clonation of Membranes -- Computing Omega-Limit Sets in Linear Dynamical Systems -- The Expressiveness of Concentration Controlled P Systems -- On Faster Integer Calculations Using Non-arithmetic Primitives -- A Framework for Designing Novel Magnetic Tiles Capable of Complex Self-assemblies -- The Role of Conceptual Structure in Designing Cellular Automata to Perform Collective Computation -- A Characterisation of NL Using Membrane Systems without Charges and Dissolution -- Quantum Wireless Sensor Networks -- On the Computational Complexity of Spiking Neural P Systems -- Self-assembly of Decidable Sets -- Ultrafilter and Non-standard Turing Machines -- Parallel Optimization of a Reversible (Quantum) Ripple-Carry Adder -- Automata on Multisets of Communicating Objects.