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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 [...]

How do animals breathe? Respiration, Evolution, Biology

By |2018-04-21T11:56:44+00:00May 27th, 2017|Biology|

Fish gills The first cells, which evolved about 3.8 billion years ago, needed carbon dioxide to live and not oxygen. They needed the carbon dioxide to help them break down molecules to get energy out of them, and they were able to get the carbon dioxide they needed from the oceans they lived [...]

Lungs project – Using your lungs to float – Biology and Evolution

By |2017-05-27T17:45:31+00:00May 27th, 2017|Biology, Games|

Caribbean woman swimming with two children Your own lungs still can act a little like swim bladders. When you go swimming at the pool or in the ocean or a lake, try taking a deep breath and floating while you hold your breath. Then try blowing out all the air, and floating. Which [...]