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The scientific method was first used during the Scientific Revolution (1500-1700). The method combined theoretical knowledge such as mathematics with practical experimentation using scientific instruments, results analysis and...

The Romans assimilated earlier Greek science for their own purposes, evaluating and then accepting or rejecting that which was most useful, much as they did in other fields such as warfare, art, and theatre. This assimilation of...

The Koh-i-Noor diamond (also Koh-i-Nur or Kūh-e Nūr) is one of the largest and most famous cut diamonds in the world. It was most likely found in southern India between 1100 and 1300. The name of the stone is Persian meaning ‘Mountain...

Greek mathematics, the study of numbers and their properties, patterns, structure, space, apparent change, and measurement, is said to have originated with Thales of Miletus (l. c. 585 BCE) but was clearly understood during the...

The Red Army of the USSR began the Second World War (1939-45) with a series of shocking defeats, but from late 1942, it rallied and held on to key cities like the capital Moscow, Leningrad (Saint Petersburg), and Stalingrad...