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Cusco & the Andes
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An Empire Written in Knots
The Inca ran an empire of millions with no alphabet - they recorded it in knotted cords called quipu, a base-10 number system. The math is proven; whether they wrote language too is still debated. (Sources: Britannica; Medrano & Urton 2018.)
Clean Water as Medicine: The Inca Kept the Sewage Out - By Design
Inca engineers piped spring water 750m to 16 fountains at Machu Picchu and kept runoff out by design. Sources: Wright et al., Ground Water 1997; WaterHistory.org.
The Cactus Andean Healers Drink to See Your Illness
San Pedro (wachuma) is an Andean healing cactus carved in stone at Chavín ~750 BC and still used by curanderos today. Sources: Stela of the Cactus Bearer; ICEERS.
They Opened Skulls and Patients Lived. Nobody Knows How They Killed the Pain.
Inca surgeons did brain surgery with high survival - but how did they handle the pain? The coca-anesthesia story is a myth. Sources: Nat Geo (Andrushko 2008); ACS Bulletin.
The Inca "Cured Malaria" - Except There Was No Malaria
Did the Inca discover quinine to cure malaria? Actually there was no malaria in the Americas before 1492 - here's the real cinchona story. Sources: CDC EID; PMC review.
The Inca Had a Licensed Doctor - Your Pharmacist AND Your Surgeon
The Inca Empire had an official doctor - the hampicamayoc - who was both pharmacist and surgeon. Sources: Elferink (Revista de Indias); Marino & Gonzales-Portillo, Neurosurgery 2000.