People say this, but there is little research supporting this claim. On the contrary, the past few decades of research has shown that IQ is (1) hereditary, 0.5

People say this, but there is little research supporting this claim. On the contrary, the past few decades of research has shown that IQ is (1) hereditary, 0.5-0.8 correlation, depending on the study and (2) increasingly important to navigate a modern, complex society. For example, this paper is a pretty good summary: https://www.sciencedirect.com/science/article/abs/pii/S0160289697900143 https://www.sciencedirect.com/science/article/abs/pii/S01602... Here is a good popular science article on the same subject: https://quillette.com/2018/08/25/the-dangers-of-ignoring-cognitive-inequality/ https://quillette.com/2018/08/25/the-dangers-of-ignoring-cog...