This PowerPoint presentation by Minho Lee explores the brain and the question "Why does the brain become smarter when we learn?". It provides information about brain cells, neurons, and how learning causes brain cell connections called synapses to form. The presentation includes facts about the brain, how studying can increase intelligence similar to Einstein, and why the author wanted to study how learning impacts brain development and intelligence. It concludes that the answer to the main question was explained and the purpose of the study was to understand how memory and brain cells/neurons impact becoming smarter.