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192. Lesley Newson & Peter Richerson — A New Look at Human Evolution

The Michael Shermer Show

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Is It a Cyclical Theory of History?

i'm always sceptical of pcycle cycles, cyclical theories of historyounw we mention in our off camera discussion. Stephen j gould, you know, is ponent of contingency. History moves along very contingent. There are very few cycles. Even economists now have largely given up on psyclical theories of economics. It may take quite a lot of brain power to say, i have four people, and the different people are doing the same thing 4 ways. What am i going to choose? What criteria do I use for my decision-making process? And so that's what makes a rapid, intedetic evolutiona more time consuming. Is one of the reasons why cultural

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