clipped from: www.scientificblogging.com   

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We can measure what people prefer and value, but do we know why? And can we predict whether a nation will be liberal or conservative, atheist or religious, polygynous or monogamous?

the Savanna-IQ Interaction Hypothesis

An oasis in the Savanna

adaptations are “designed for and adapted to the conditions of the environment of evolutionary adaptedness, not necessarily to the current environment

Think of a banana. Yellow, right? Now look at it in sunlight, now moonlight

Still yellow

shouldn’t the light reflect differently in these various settings?

The human eye and color recognition systems, Kanazawa says, can “compensate for these varied conditions because they all occurred during the course of the evolution of the human vision system

try holding a banana up in under sodium vapor lights

natural yellow is no longer. Why? “Sodium vapor lights did not exist in our ancestral environment

incapable for compensating for them