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6 09, 2017

What is cholera? History of disease and medicine

By |2019-04-01T05:55:51-07:00September 6th, 2017|Biology, Science|0 Comments

History of cholera: Washing clothes in the river (India) Where did cholera get started? Cholera (KOLL-uh-rah) is a very serious sickness. It probably first got started in India. History of disease Indian doctors and medicine All our India articles When did cholera first make people sick? People in India were dying of cholera by [...]

24 06, 2017

Permian period – Reptiles and pine trees

By |2019-09-20T12:28:14-07:00June 24th, 2017|Geology|0 Comments

Crocodiles About 290 million years ago, the Carboniferous period ended and the Permian period began. Almost all of the land on Earth grouped together in one big supercontinent we call Pangaea, which reached all the way from the North Pole to the South Pole. With all the land grouped together, the climate got [...]

20 06, 2017

What was the Little Ice Age?

By |2018-04-19T14:47:22-07:00June 20th, 2017|Environment|0 Comments

Rice paddy with a Chinese man planting rice During the later Middle Ages, the climate all over the world was a little warmer than usual, just by a few degrees. We call this the Medieval Warm Period. In the Americas, the warm weather caused the Mexica people to move south into Mexico, and [...]