Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Everybody poops, as the saying goes. So it’s easy to think of poop ...
A study of informal finance finds that in East Africa, money moves in very different patterns depending on whether societies are structured around family units or age-based groups. People around the ...
The division of the population into distinct social classes varied across different city-states, kingdoms and polities in ancient Greece.
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