16, 17 Neutrino, 116 Nevada Desert, 23, 106 Nile Delta, 74, 75 Nilometer, 63 Nineveh, 25, 86 Ninurta, 62 Nippur, 62 Noah, 42 Nuffield Trust, 151 Oberth, Hermann, 122, 141 Oklahoma, University of, 82 Olmecs, 93 Omar, Caliph, 69 Oryana, 21 Pachacuti
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