Are computers smarter than humans? What is the ‘brain freeze’ sensation when eating or drinking something cold? What is already known about long covid and the brain? How does our brain create a 3D world? Is this possible with just one eye? What is the effect of a visual impairment on the brain? And is there anything we can do to restore it? What effect does cyanide have on the brain? Do we really have a reptile brain, a mammal brain, and a human brain inside our heads? What is fainting? Can I learn from a text by listening to it while I sleep?  What happens in the brain when you take psychedelics?