Pearl Diving – History of Pearls
A pearl inside an oyster Very early in human history, maybe around 100,000 years ago, many people lived along the coasts of Africa and lived mainly on seafood - seaweed, [...]
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06, 2017
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06, 2017
Ancient China’s Economy and Trade
Ancient China trade: Rice paddy with a Chinese man planting rice Farming in Ancient China In China, as in West Asia, India, or Africa, most people have spent most of [...]
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06, 2017
What is silicon? Atoms, elements, chemistry
Diagram of a silicon atom When a red giant star is getting older and runs out of helium fuel, it starts to convert the oxygen atoms in the star into silicon [...]
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06, 2017
Silica and sand castles – Science projects – Chemistry
Sand castle by the ocean If you want to see some real silica, go to the beach or to a playground with a sandbox. Beach sand (which is also what [...]
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05, 2017
Sogdians and the Silk Road – Central Asia
Gold coin from Sogdiana in the Hellenistic period The Sogdians meet Alexander Then in 328 or 327 BC the Macedonian conqueror Alexander conquered the Sogdians. Earlier Sogdian history Alexander the Great [...]
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05, 2017
Sogdians – History of Central Asia
Sogdians: A horse-drawn chariot from the Oxus Treasure (British Museum, thanks to Mary Harrsch) Where did they come from? The Sogdians came to Sogdiana probably about 1500 BC. (That's modern [...]
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05, 2017
What was the Silk Road? Central Asian Economy
Mongol herdsman Hunting wild animals The first people moved into Central Asia about 50,000 BC. They were probably following the big animals that they hunted for food and leather skins [...]
