People in general are stupid in all domains, even now
January 3, 2018 2:48 PM Subscribe
Katja Grace asks why, if humans have been "behaviorally modern" for about 50,000 years, did it take so long to invent rope (28,000 years ago), the wheel (at least 4000 BC) and writing (3000 BC)? As it turns out, there are a lot of possible answers.
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