Why do some people remember their dreams and others do not? What is the impact of speaking multiple languages on the brain? Is the brain more or less active during sleep? Why do brain tissues have different colours? What effect does cyanide have on the brain? What is the ‘brain freeze’ sensation when eating or drinking something cold? Are emotions experienced in the heart or the brain? What happens in the brain when you take psychedelics? Does a 14T MRI scanner make more noise than a 3T MRI scanner? Why is it easier to learn a language as a kid?