Bird poop powered this pre-Hispanic kingdom
Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. When it comes to the success of ancient civilizations, the first things that come to mind are typically their military strength, roads, and trade. New research, however, highlights a potential key to the strength of a pre-Incan society that is both surprising and slightly disgusting: seabird guano, also known as bird poop. The successful power in question is the Chincha Kingdom (1000 – 1400 CE), a coastal society that ruled over the Chincha Valley in present-day southern Peru. In the first half of the 15th century the kingdom was integrated into the better-known Inca Empire without conflict. But what could the kingdom have used bird poop for? The answer is fertilizer, specifically for corn, according to a study published today in the journal new PLOS One. Ceremonial digging stick or paddle from coastal Peru showing seabirds and possible maize sprouting from abstracted fish and stepped-terrace motifs. Image: The Met Museum 1979.206.1025. “Pre-Hispanic communities in southern Peru used seabird guano to …



