Hum Hust I 11 ho 16

Hum Hust I 11 ho 16 - Human History Week 10 lecture 2 The...

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Human History Week 10, lecture 2 The end of history? 3/9/11 The 75,000-Year Question How did we get from 20,000 or so people, each consuming about 4,000 calories per day, mostly dying in their first year or so, to 6 billion people, each consuming 240,000 calorie per day in the richest countries, living (in the richest countries) over 80 years, poisoning the oceans, and altering the climate? By 1400 CE, some patterns are clear Overall: long-run rightward skewing of complexity, punctuated by booms and busts Hunter-gatherers Modern humans around for 150,000+ years; most of time, Ice Age hunter-gatherers Tiny bands, pair-bonded adults, little hierarchy, much mobility, low energy capture Farming villages Global warming beginning around 15,000 years ago increases energy available Particularly favors Lucky Latitudes, and especially Hilly Flanks Humans breed, clump, and settle Timing determined by density of domesticable wild resources Cultural evolution: settled villages require peasant families, patriarchy Villages grow (sometimes up to 5,000-10,000 people), agricultural systems expand,
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Hum Hust I 11 ho 16 - Human History Week 10 lecture 2 The...

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