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We are so accustomed with seeing the perfect circle, the zero that we cannot imagine it had to be invented. In fact, the invention of zero was a real revolution. Imagine how the Romans made calculations. For example, when building a villa, how much did they have to pay for 18 rows of 44 poles of 12 sexterts (Roman co... |
31 March 2008
10:03 GMT |
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How much gold did the ancient Egyptian goldsmith process? The historian Hecateus of Miletus (4th century BC) said the extracted gold would raise to 32 million Greek mines (the 'mine' was the ancient Greek unit of mass; the amount in discussion represents about 10,000 tonnes!), a highly exaggerated number. T... |
20 March 2008
11:20 GMT |
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Arabia is mostly made of desert, inhabited mainly by nomad tribes during the 7th century. On the shores of the Red Sea and Indian Ocean, fertile areas with many flourishing settlements were found, but the products were mainly local. The trade roads led to Syria and Mesopotamia (Iraq). Prosperous oases were found on t... |
2 February 2008
03:59 GMT |
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Ancient cities were usually located on main rivers whose waters were a source of food and sometimes protection. But on the northwestern extremity of the Arabian Desert there was a city renowned for its lack of water: Petra. In the arid areas of the Middle East the caravan routes connected cities located at great dist... |
12 December 2007
08:38 GMT |
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Pirates…wild…bloody barbarians. This is how the Vikings were seen by their contemporaneous southern Europeans, who during the 9th and 10th centuries suffered their pillaging expeditions. Still, these Northern people also left a rich culture and a developed trade network till Persia and discovered America 500 years be... |
13 August 2007
13:56 GMT |
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In the neuralgic center of the Mediterranean, there's a small country of only 315 square km, independent since 1964, which maintains its own identity despite the massive affluence of tourists from all over Europe which arrive on its untamed and sunny beaches every season of every year. Its agricultural and fishi... |
11 August 2007
09:26 GMT |
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