SANTA FE, New Mexico, July 11 [Category: Political] -- Santa Fe Institute posted the following news release: * * * Unequal foundations: Tracing the origin of wealth inequality across 10,000 years * Economic inequality is one of our primary global challenges and is a key research topic for archaeology -- why do some societies become deeply unequal while others remain more balanced? What clues about our economic past are hidden in the ruins of ancient homes? A recent Special Feature in PNAS more PR