

34. Are Humans Smarter or Stupider Than We Used to Be?
Jan 10, 2021
The hosts dive into the debate about whether humans are getting smarter or dumber over time. They explore the dramatic rise in literacy and IQ, unpacking the Flynn effect's implications. Curiosity's role in intelligence is examined, with insights on how adults can reclaim their lost wonder. Practical tips for nurturing curiosity throughout life are offered, alongside personal anecdotes. The discussion also touches on the relationship between evolving language and societal pressures that can dampen curiosity.
AI Snips
Chapters
Transcript
Episode notes
The Flynn Effect
- The Flynn effect shows a two standard deviation IQ increase over three generations.
- This jump is like going from average intelligence to gifted, according to Angela Duckworth.
Increased Literacy
- Humans are smarter than 100 years ago, evidenced by increased global literacy rates.
- Literacy, requiring intelligence, has risen from 12% to 86% in 200 years.
Causes of the Flynn Effect
- The Flynn effect is attributed to improved nutrition, hybrid vigor, and increased abstract reasoning needs.
- James Flynn, a political scientist, discovered the effect while studying IQ test scores.