erosion

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27 07, 2017

Ibn Sina – Islamic medicine

By |2019-10-04T07:58:44-07:00July 27th, 2017|Islam|9 Comments

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.) Who were the Samanids? Medieval Islamic science All our medieval Islam [...]

26 06, 2017

What is salt made of? Geology

By |2017-06-26T02:22:44-07:00June 26th, 2017|Geology|0 Comments

Evaporated sea salt Salt molecules are a combination of chlorine atoms and sodium atoms. These atoms mix together easily and, once they are mixed, the salt molecule is very stable and doesn't break apart easily. There is salt on meteors in outer space and on Mars, and probably on lots of other planets [...]