Why is it easier to learn a language as a kid? Which brain region is the most important? How heavy was Einstein’s brain? Does the size of your brain say anything about intelligence? What is already known about long covid and the brain? Can you feel pain in your brain? Why are you grumpy after a bad night of sleep? Does neuroscience provide better explanations for behaviour than psychology? Do you learn faster when you’re younger? Why (not)? Is there a link between rheumatoid arthritis and anxiety? Do colours appear the same to everyone?