What is the ‘brain freeze’ sensation when eating or drinking something cold? What is already known about long covid and the brain? Can you unlearn sleeping in the dark? When are we able to solve MS? Is the brain more or less active during sleep? Does neuroscience provide better explanations for behaviour than psychology? What effect does cyanide have on the brain? What happens in the brain when you take psychedelics? Why do Dutch people say “I have sawdust in my head” when they do something stupid? How does your brain know that you want to move?