Knots representing numbers: The mathematics of the Incas
Quechua civilization used knotted strings called ‘quipu’ to represent numerical values
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The tortuous search for Ricardo Prada, the disappeared Venezuelan deported to El Salvador’s mega-prison
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Sodom and Gomorrah were not destroyed by the impact of an extraterrestrial object
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- Trump deported fewer people than Obama, Clinton or Bush, but more indiscriminately
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