How is it possible that we can hear either ‘green needle’ or ‘brainstorm’ whilst the audio fragment remains the same? How does stress affect your brain? What is the purpose of brain research? Why are you grumpy after a bad night of sleep? Do we only use 10% of our brain? Is it true that you can be ‘left-brained’ or ‘right-brained’? Is the brain more or less active during sleep? Why do people still receive electroshock therapy? Do we really have a reptile brain, a mammal brain, and a human brain inside our heads? How heavy was Einstein’s brain? Does the size of your brain say anything about intelligence?