Is intelligence related to happiness? The age-old question has captivated psychologists, social scientists, and curious minds alike. The popular stereotype of the brooding genius who struggles to find joy in life suggests a complex relationship between intelligence and happiness. But is this perception accurate? And what does the research say? In this article, I will delve into the fascinating world of intelligence and happiness, exploring the various factors that influence this relationship. From the macro view of smart nations to the micro view of individual brainpower, we will uncover the nuances and complexities that shape our understanding of this intriguing topic. So, let's embark on this intellectual journey and discover the truth behind the stereotype.