Do some people have stronger mental imagery than others? And does this affect how they learn? What happens when you have a blackout during an exam? Why are you grumpy after a bad night of sleep? How does our breathing influence how we think and feel? Why is it easier to learn a language as a kid? What effect does cyanide have on the brain? Do you learn faster when you’re younger? Why (not)? Can you feel pain in your brain? 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?