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New World societies long ago likely had less income inequality than those in the Old World, and the difference might have been an oxen gap. Find out more in today's Nerdy Curio from 60-Second Science.
Aired November 17, 2017
All 60-Second Science content is available at www.scientificamerican.com
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David M
This was probably global warming caused by methane gas output, which no doubt slowed the growth of the 99 percent
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