> But not a straight linear additive effect. It mostly is when you're talking about "why person X has a higher IQ than person Y". It's not when you're asking w

> But not a straight linear additive effect. It mostly is when you're talking about "why person X has a higher IQ than person Y". It's not when you're asking why or how humans have intelligence at all, obviously. https://arxiv.org/abs/1408.3421 https://arxiv.org/abs/1408.3421