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Lebanon ( / ˈlɛbənɒn, - nən / ⓘ LEB-ə-non, -nən; Arabic: لُبْنَان, romanized : Lubnān, local pronunciation: [lɪbˈneːn] ), officially the Republic of Lebanon, [c] is a country in the Levant region of West Asia.
Penicillin was discovered in 1928 by Scottish scientist Alexander Fleming as a crude extract of P. rubens. [6] Fleming's student Cecil George Paine was the first to successfully use penicillin to treat eye infection ( neonatal conjunctivitis) in 1930. The purified compound (penicillin F) was isolated in 1940 by a research team led by Howard Florey and Ernst Boris Chain at the University of ...
Stonehenge is a prehistoric megalithic structure on Salisbury Plain in Wiltshire, England, two miles (3 km) west of Amesbury. It consists of an outer ring of vertical sarsen standing stones, each around 13 feet (4.0 m) high, seven feet (2.1 m) wide, and weighing around 25 tons, topped by connecting horizontal lintel stones.
Rembrandt Harmenszoon van Rijn ( / ˈrɛmbrænt, ˈrɛmbrɑːnt /, [2] Dutch: [ˈrɛmbrɑnt ˈɦɑrmə (n)ˌsoːɱ vɑn ˈrɛin] ⓘ; 15 July 1606 [1] – 4 October 1669), usually simply known as Rembrandt, was a Dutch painter, printmaker, and draughtsman. He is generally considered one of the greatest visual artists in the history of art. [3] It is estimated Rembrandt produced a total of ...