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Married women in West Asia

By | 2018-04-25T23:58:44+00:00 September 15th, 2017|People, West Asia|

Grindstone from Syria, about 1500 BC (Louvre Museum) Most married women in West Asia lived with their husband's family, so young married women took orders from their husband's mother. Sometimes the two women got along well; other times they fought the way many teenagers fight with their parents. Some families hit or starved [...]

Influenza – History of Medicine

By | 2018-04-25T17:10:21+00:00 September 6th, 2017|Science|

Clay hen whistle from Mohenjo Daro (ca. 2700 BC, now in Brooklyn Museum) Influenza is a virus that mostly infects birds - like chickens - and pigs. But influenza can also attack people. Probably people started to get influenza around the time they started keeping chickens and living in cities - in China and India, about 3000 BC, in Greece about 500 BC, and in North [...]

Where do Easter eggs come from? History of religion

By | 2018-04-09T23:07:27+00:00 August 21st, 2017|Religion|

Ostrich eggshell from Diepkloof Rock Shelter, South Africa (60,000 BC) Easter eggs go back long before Easter, and even long before the beginning of farming. As long ago as the Paleolithic, about 60,000 BC, people in Africa were scratching patterns and lines on ostrich eggs, though nobody knows what they had in mind. By the later Stone Age, [...]

History of eggs – Where did eggs come from?

By | 2018-04-19T15:41:29+00:00 June 22nd, 2017|Food, Southeast Asia|

History of eggs - A basket of eggs People have been eating eggs since there first started to be people, about six million years ago. Eggs have a lot of protein in them, and they don't fight back - you can get them just by climbing to where the nest is and picking [...]

Stone Age China – Early Chinese History

By | 2018-04-18T10:06:40+00:00 June 6th, 2017|China, History|

Jade dragon-pig from New Stone Age China The first people (leaving out Neanderthal-type pre-humans) seem to have reached China about 50,000 BC. They probably came from two directions: they came to North China across Central Asia, and to South China up the Pacific coast from Southeast Asia. This is about the same time as [...]

Chinese animals – Environment of China

By | 2018-04-18T09:53:29+00:00 June 6th, 2017|China, Environment, What|

A camel caravan in northern China Long ago, in the Stone Age, about 3000 BC, many different kinds of wild animals lived in China - elephants, lions, pandas, wild horses, wolves, wild dogs, aurochs, and many others. But as there got to be more and more people and farms, there was less room. [...]

Calcium project – Chalk and lemon juice – Chemistry

By | 2018-04-16T17:38:03+00:00 June 1st, 2017|Chemistry|

Need chalk? Buy chalk Take a piece of regular white chalk, like for writing on a blackboard. Make sure the chalk is calcium carbonate like the kind in the picture and not made of plaster of paris. Drop the chalk in a cup of vinegar or lemon juice. Vinegar is made of water [...]

Vertebrae project – Boiling fish and chicken – Biology

By | 2018-04-12T00:14:42+00:00 May 28th, 2017|Biology|

Vertebrae project: check out fish and chicken vertebrae You can easily see vertebrae for yourself if you buy a whole trout (with the bones in) at the grocery store and cook it. If the grocery store doesn't have any fish with the bones in, ask the fish man and he will probably get [...]

Fish eggs and chicken eggs – Evolution and Biology

By | 2018-04-13T14:34:41+00:00 May 27th, 2017|Biology|

Fish eggs Check out different kinds of eggs and you'll see the difference between fish eggs, which are soft and have to be in the water to survive, and the eggs of land animals, which are hard so they can survive on dry land. It's pretty easy to get fish eggs: they sell [...]