Title | : | Why our IQ levels are higher than our grandparents' James Flynn |
Duration | : | 18 minutes, 41 seconds |
Uploader | : | TED |
Added On: | : | 26 September, 2013 |
Views | : | 3.1M times |
Likes | : | 0 |
Source | : | YouTube |
In 1900, only 3% of Americans practiced professions that were deemed cognitively demanding. Today, 35% of us do, and we have all learned to be flexible in the way that we think about problems. In this fascinating and fast-paced spin through the cognitive