What happens when you have a blackout during an exam? Why do some people remember things better than other people? What is fainting? Do colours appear the same to everyone? What happens in the brain with ALS? Why is it easier to learn a language as a kid? Is the brain more or less active during sleep? How is a neuron made?  Why are you grumpy after a bad night of sleep? Does a 14T MRI scanner make more noise than a 3T MRI scanner?