How does speaking multiple languages impact the brain? Why don’t we use stem cell therapy for MS? Can brain implants read and control our minds? How heavy was Einstein’s brain? Does the size of your brain say anything about intelligence? Why are you grumpy after a bad night of sleep? Why is it easier to learn a language as a kid? How is a neuron made?  What happens in the brain when you feel ‘confused’? How does your brain know that you want to move? What is fainting?