Ge Hong

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What is malaria? History of diseases and medicine

By |2018-04-24T08:21:21+00:00September 7th, 2017|Africa, Science|

A baby with malaria (from World Health Organization) You catch malaria by being bitten by a mosquito that has malaria parasites living inside it. (Female mosquitoes bite people to get blood. That gives them enough energy to make baby mosquitoes.) When the mosquito bites you, the malaria parasites go from the mosquito's mouth into your blood. [...]

History of Gunpowder: Gunpowder in ancient China

By |2018-10-02T09:40:12+00:00June 7th, 2017|China, Science, War|

History of gunpowder: Fireworks Who invented gunpowder? Like the idea of zero, gunpowder developed gradually over time. In 142 AD, during the Han Dynasty, a man named Wei Boyang was the first to write anything about gunpowder. He wrote about a mixture of three powders that would "fly and dance" violently. We aren't [...]

History of Chinese Medicine

By |2018-09-12T20:51:58+00:00June 7th, 2017|China, Science|

Chinese medicine: a Chinese village doctor treating a man by burning herbs on his back (Song Dynasty, ca. 950 AD., now in National Palace Museum, Taiwan) What's the earliest Chinese medical book? Doctors wrote the earliest known Chinese medical writing, The Recipes for Fifty-Two Ailments, about 186 BC, around the beginning of the [...]