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Maya gods and rituals – Central American religion

By |2017-09-10T13:09:15+00:00September 10th, 2017|Central America, Religion|

Maya pyramid at Tonina (ca. 700 AD) Maya people believed that the world was created by One Deer. One Deer created the mother and father of the gods (like Brahma and Gayatri or Gaia and Kronos). Then the mother and father created many other gods. They created the gods of the crops like the Corn God, the god [...]

Stone Age Italy – the history of Italy

By |2018-09-04T07:43:05+00:00September 3rd, 2017|History|

Stone Age rock art from Val Camonica, in northern Italy. Neanderthals in Italy By around 200,000 years ago, there were a few early humans living in Italy. We know about them from their flint axes, and from one of their villages that has been excavated west of Rome at Torrimpietra. These were not modern humans, though, but [...]

What is a wedge? – Simple machine – Physics

By |2018-05-31T11:49:24+00:00August 17th, 2017|Physics|

What is a wedge? This stone hand-ax from Chennai, India is a kind of wedge. A wedge is a kind of inclined plane What is a wedge? Like screws, wedges are really a kind of inclined plane, but they are so useful that people give them their own category among the simple machines. A wedge [...]

Medieval medicine in Europe

By |2018-04-24T08:21:21+00:00August 4th, 2017|History|

Sick children from medieval Europe During the Middle Ages, most people were sick with something for most of their lives. Newborns were often born small because their mothers had not had enough to eat when they were pregnant. Babies caught dysentery and typhoid from drinking water with sewage mixed in it. About a quarter of all babies died before they were [...]

Science and Math in ancient India

By |2018-11-30T07:51:48+00:00July 22nd, 2017|India, Science|

Ancient Indian science: Mohenjo Daro (ca. 2000 BC) From the time of the Harappans to the time of the Islamic conquests, Indian scientists and mathematicians were leaders. Ancient Indian science especially stood out in mathematics and engineering. Invention of zero History of steel Ancient India articles Harappan science and math in India The Harappans in 2500 BC had a sewage system at their [...]