East Africa

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. [...]

7 09, 2017

What is opium? World history of medicine and drugs

By |2017-09-07T09:33:48-07:00September 7th, 2017|Central Asia, Science|1 Comment

Opium poppy flower Opium comes from a kind of poppy flower. It evolved around 100 million years ago in West Asia and Central Asia. People probably realized as soon as they got to West Asia, about 60,000 [...]

30 05, 2017

What are vaccinations? Definition of vaccination

By |2017-05-30T11:08:03-07:00May 30th, 2017|Biology|Comments Off on What are vaccinations? Definition of vaccination

Children being vaccinated  A vaccination is a way to keep animals (both people and other kinds of animals) from getting sick when viruses get inside their bodies. The earliest kind [...]

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