Do we really have a reptile brain, a mammal brain, and a human brain inside our heads? Why is it easier to learn a language as a kid? Do we produce new neurons in our adult brains? Or does this stop at a certain age? Are emotions experienced in the heart or the brain? Do we only use 10% of our brain? How does your brain know that you want to move? What is the ‘brain freeze’ sensation when eating or drinking something cold? Which brain region is the most important? Do colours appear the same to everyone? Why do children outperform adults in the game of ‘concentration’?