Why are you grumpy after a bad night of sleep? Can brain implants read and control our minds? Are computers smarter than humans? Why don’t we use stem cell therapy for MS? How does your brain know that you want to move? Why is sleep so essential? Can you distinguish between people who are visual or auditory learners? What is already known about long covid and the brain? How can I find out which stage of cognitive decline I am in, and how can I prevent Alzheimer’s disease or dementia? How is a neuron made?