Flynn effect and its reversal are both environmentally caused | PNAS
Future Cognitive Ability: US IQ Prediction until 2060 Based on NAEP | PLOS ONE
Understanding the steady and troubling decline in the average intelligence of Marine Corps officers
Is Boris Johnson right about IQs? | Boris Johnson | The Guardian
Average IQ score by birth year (A) and distribution of IQ scores (B). n... | Download Scientific Diagram
IQ Score Ranges | Are You Average, High, or Genius IQ?
What is the average IQ of a human? - Quora
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There's still no good reason to believe black-white IQ differences are due to genes - Vox
images & thoughts \ weekly \ Grabov Rat
Are humans getting cleverer? - BBC News
Race and intelligence - Wikipedia
IQ scores globally are dropping. Average IQ in the USA is now only 98 (compared with 110 a few decades ago). What's going on? - Quora
What is the average IQ score? | iqtests.org
/cdn.vox-cdn.com/uploads/chorus_asset/file/6530521/Screen%20Shot%202016-05-23%20at%209.07.16%20AM.png "IQ, explained in 9 charts - Vox")
IQ, explained in 9 charts - Vox
IQ: Intelligence quotient by country
Flynn effect - Wikipedia
Average IQ Scores Have Risen 30 Points During the Past 100 Years
Full scale IQ Scores range with Chart: from Average to Genius
/cdn.vox-cdn.com/uploads/chorus_asset/file/6492537/Screen%20Shot%202016-05-16%20at%201.40.18%20PM.png "IQ, explained in 9 charts - Vox")
IQ, explained in 9 charts - Vox
IQ in Europe and Lowest IQ Countries in the World | Mappr
IQ rates are dropping in many developed countries and that doesn't bode well for humanity
What does an IQ 142 mean - A highly intelligent person
What's the Average IQ Score by Age? Performance | Mindvalley Blog
Why The Smartest Countries Are Not The Happiest
Are we becoming more STUPID? IQ scores are decreasing | Daily Mail Online
