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4 09, 2017

Medicine and doctors in the Roman Empire

By |2019-07-15T22:20:43-07:00September 4th, 2017|Romans, Science|1 Comment

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 doctors of the Roman Empire lived in West Asia (in Turkey and Syria), or in Africa (in Egypt), not in Europe. Egyptian doctors [...]

21 08, 2017

What is Christian communion? History of religion

By |2019-04-21T08:03:09-07:00August 21st, 2017|Religion, Romans|0 Comments

Maybe our earliest image of the Last Supper - from the Catacombs of Domitilla, 100s AD The Last Supper At the Last Supper, Jesus gave his disciples bread and wine. What's the Last Supper? History of Passover History of Christianity Roman religion All our ancient Rome articles Jesus appears to Peter Then shortly after Jesus was crucified, [...]

27 07, 2017

Medieval Islamic medicine

By |2019-08-22T09:31:55-07:00July 27th, 2017|Islam, Science|0 Comments

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 Islamic Empire was rich enough from Silk Road trade and trading on the Indian Ocean to pay a lot of doctors and scientists, [...]

27 07, 2017

ibn al-Nafis – Discoveries of Islamic scientists

By |2019-09-06T09:40:40-07:00July 27th, 2017|Islam, Science|0 Comments

Illustration in Ibn al-Nafis Who was ibn al Nafis? Ibn al Nafis was born in Syria in the early 1200s AD, just as the power of the Seljuks was collapsing. He studied medicine in Damascus (in Syria) at first, but then moved to Cairo, in Mamluk Egypt, to work with the best doctors of his time (and [...]

22 07, 2017

History of Indian medicine

By |2019-09-15T07:00:43-07:00July 22nd, 2017|India|5 Comments

Indian medicine: the Atharva Veda manuscript: an Indian medical book Early Indian medicine Medicine got an early start in India. Even in the Stone Age, about 5000 BC, dentists at Mehrgahr were drilling people's teeth. They tried to fix people's cavities. That's in the Indus River Valley (now in Pakistan). Where is Mehrgahr? History of medicine The [...]

12 07, 2017

Dionysos and the dolphins – Ancient Greece

By |2018-04-23T08:41:52-07:00July 12th, 2017|Greeks, Religion|0 Comments

Dionysos turns a ship into grapevines, and the bad sailors into dolphins (Athenian black-figure vase from the 500s BC) One story about Dionysos, which you can see painted on this vase, is that he once disguised himself as a rich young man and sailed on a Greek merchant ship on the ocean. The [...]

2 06, 2017

What is iron? Atoms, elements, chemistry

By |2018-04-24T14:46:24-07:00June 2nd, 2017|Chemistry|0 Comments

Diagram of an iron atom When a red giant star finishes changing all of its helium into carbon and oxygen, it then starts to turn the carbon and oxygen atoms into iron atoms. Iron is the heaviest kind of atom that a star can make, so when a star has made most of its carbon and oxygen [...]

26 05, 2017

Circulatory System – Biology and Evolution

By |2019-04-06T18:43:26-07:00May 26th, 2017|Biology|0 Comments

Circulatory system: A dog heart What is the circulatory system? The circulatory system takes food and air from outside your body and brings it all over your body so that all your cells get the food and oxygen they need to stay alive. The first cells evolve The nervous system The digestive system [...]

25 05, 2017

Why do mosquitoes bite? Biology

By |2018-04-15T17:18:17-07:00May 25th, 2017|Biology|0 Comments

Mosquitoes bite people: A mosquito on human skin Like bees, mosquitoes evolved from earlier flies and dragonflies about 200 million years ago, during the Jurassic period. Mosquitoes have six legs like other insects. Also like bees, mosquitoes evolved to eat pollen from the new flowers that appeared about this time. And like bees, mosquitoes [...]