Ibn Sina – Islamic medicine
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 [...]
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07, 2017
27
05, 2017
How do animals breathe? Respiration, Evolution, 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 [...]
26
05, 2017
Lungfish – Evolution of Fish
Evolution of fish: a lungfish Why did fish leave the water? About 400 million years ago, during the Devonian period, the Earth was going through an especially warm period. Some [...]
