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Astrolabe

on August 15, 2012

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Astrolabe

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The English Channel

The English Channel, often referred to simply as the Channel, is an arm of the Atlantic Ocean that separates southern England from northern France, and joins the North Sea to the Atlantic. It is about 560 km (350 mi) long and varies in widt h from 240 km (150 mi) at its widest to 33.1 km (20.6 mi) in the Strait of Dover. It is the smallest of the shallow seas around the continental shelf of Europe, covering an area of some 75,000 km square (29,000 sq mi).

Louis Pasteur (1822-1895)

The French chemist and biologist Louis Pasteur is famous for his germ theory and for the development of vaccines. He made major contributions to chemistry, medicine, and industry. His discovery that diseases are spread by microbes, which are living organisms—bacteria and viruses—that are invisible to the eye, saved countless lives all over the world. He was born in 1822 AD and died in 1895 AD.

The Round City BAGHDAD

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