Human organs: medieval science
Chinese drawing of the human organs (about 1200) Eyes and fevers Between the Middle Ages and modern times, doctors have learned a lot of new things about how human bodies [...]
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09, 2017
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09, 2017
Ptolemy – Roman astronomy – history of science
A copy of Ptolemy's map of the world Ptolemy was born in Egypt in about 90 AD, when the Romans were ruling Egypt. He was a Roman citizen. Probably he was the son or grandson of [...]
4
09, 2017
Medicine and doctors in the Roman Empire
Roman medicine: Galen used surgical instruments like these What do we mean by Roman medicine? Roman medicine is really West Asian and African medicine. That's because most of the great [...]
20
08, 2017
Why is the sky blue? Weather science
Blue sky with cirrus clouds This is an easy question to ask but the answer is pretty hard. The light that comes from the Sun to Earth looks white, but really it is made [...]
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08, 2017
What is a light-year? Physics definitions
Light takes years to reach us from these stars far away in space. What is a light-year? A light-year is the distance that light can travel in one year - [...]
6
08, 2017
David Hume – European philosophy
David Hume, the European philosopher Who was David Hume? Soon after Hobbes and Locke died, starting in 1739 AD, David Hume published more important books about philosophy. Hume disagreed with Descartes' idea that people did what [...]
4
08, 2017
Roger Bacon – Medieval science
Roger Bacon's diagram of a human eye When did Roger Bacon live? Roger Bacon was born in England maybe about 1210 AD. It was late in the reign of King John. (That's the one [...]
4
08, 2017
Francis of Assisi – Medieval Europe
Francis of Assisi gives his father back his clothes (Giotto, in Assisi) Who was Francis of Assisi? By 1200 AD, the Catholic Church was very powerful. Bishops and popes were often rich men. They cared more about [...]
27
07, 2017
Medieval Islamic medicine
Islamic medicine: From an Ottoman manuscript, two doctors telling the pharmacist how to make different medicines Writing medical encyclopedias Doctors made big scientific advances in medicine during the Islamic empire. The [...]
27
07, 2017
Medieval Islamic science
Medieval Islamic science: Al Tusi's diagram of linear motion from circular motion Indian and African science In the Early Middle Ages, before the formation of the Islamic Empire, Buddhists ran the world's biggest [...]
