Are motorways rational from slime mould's point of view? by Adamatzky, Andrew, Akl, Selim G., Alonso-Sanz, Ramón, Van Dessel, Wesley, Ibrahim, Zuwairie, Ilachinski, Andrew, Jones, Jeff, Kayem, Anne V. D. M., Martínez, Genaro Juárez, De Oliveira, Pedro P. B., Prokopenko, Mikhail, Schubert, Theresa, Sloot, Peter M. A., Strano, Emanuele