Why Our IQ Levels Are Higher Than Our Grandparents'

Explore the cognitive evolution of society in this 19-minute TED talk by moral philosopher James Flynn. Discover how the percentage of Americans in cognitively demanding professions has increased from 3% to 35% since 1900, and learn about the shift in problem-solving approaches. Examine the fascinating cognitive history of the 20th century, including the surprising and sometimes negative consequences of changes in our thinking patterns. Gain insights into the factors contributing to rising IQ levels across generations and their implications for modern society.