Synesthesia (Art – Synesthesia) – new section. (Do you know what synesthesia is? Is the letter A red?)
Colors (Art – Colors) – new section. (Do you know how colors are mixed? Do you know what CMYK stands for?)
Learning tips – new section. (Do you know the loci method?)
Mind maps – updated. (Did you know about medical mind maps?)
Mind maps – mind maps and languages – new section.