New analysis of an Inca recordkeeping device known as a khipu has changed archaeologists’ conception of the individuals who created them. One khipu was woven from human hair, and isotope analysis revealed that its maker maintained a surprising diet … archaeology.org/issues/novembe…

The world in 1450. Fra Mauro map, most detailed ever up to that point. Includes N pole, S Pole, Equator. Commissioned by Venice, Portuguese king. (Originally S is at top)