chemistry

7 09, 2017

Steel history – medieval to modern steel

By |2018-09-10T06:07:42-07:00September 7th, 2017|Central Asia, Science|Comments Off on Steel history – medieval to modern steel

Steel history: a Safavid steel helmet (Iran, 1500s AD) Medieval steel from India and Iran The wars after the collapse of the Mongol Empire in the 1300s stopped steel production in Uzbekistan and Turkmenistan. [...]

2 06, 2017

What is a protein? Organic chemistry

By |2017-06-02T23:46:07-07:00June 2nd, 2017|Biology, Chemistry|Comments Off on What is a protein? Organic chemistry

Proteins are a type of molecule made mainly out of hydrogen and carbon atoms. They are combinations of smaller molecules called amino acids. The first amino acids probably developed into proteins more than four [...]

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