Inca society kept records by encoding information into knotted cords called khipu. A new analysis of hair woven into these cords suggests this... A lock of hair may have just changed what we know ...
Study Finds on MSN
Centuries-old bird poop helped power a pre-Inca kingdom
In A Nutshell Between 1250 and 1400 CE, Peru’s Chincha Kingdom mastered seabird guano fertilization, enabling agriculture in one of Earth’s driest deserts centuries before the Inca Empire arrived ...
This story appears in the April 2011 issue of National Geographic magazine. On the remote Peruvian island of Taquile, in the middle of the great Lake Titicaca, hundreds of people stand in silence on ...
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