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Ibn Sina (Avicenna) – Medieval Islamic medicine – Islamic Empire

By |2018-04-24T08:21:22+00:00July 27th, 2017|Islam, Science|

Where Ibn Sina came from: Uzbekistan Ibn Sina and the Samanids in Uzbekistan Ibn Sina (known to Europeans as Avicenna) was a scientist. He was born about 980 AD in the north-eastern part of the Abbasid Empire. That was in the kingdom of the Samanids. (It's modern Uzbekistan.) The Samanids supported science and art, so many scientists and artists [...]

What are sedimentary rocks? Shale and limestone

By |2018-10-03T09:50:54+00:00June 26th, 2017|Geology, History|

Sedimentary rocks: Limestone cliffs in Saudi Arabia Before sedimentary rocks When the Earth was first forming, about six billion years ago, there weren't any sedimentary or metamorphic rocks. The only rocks were igneous rocks like quartz. These formed when melted silica, carbon, and other molecules cooled off and stuck together. More about igneous rocks [...]