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Germ Theory
The germ theory, which emerged in the late 19th century, demonstrated that microscopic germs caused most human infectious diseases. The germs involved included bacteria, viruses, fungi, protozoa, and prions. Louis Pasteur (1822-1895), a French...
Article
The Horse-rider Theory in Ancient Japan
The 'horse-rider theory' is a controversial proposal that Japan was conquered around the 4th or 5th century CE by a culture from northern Asia to whom the horse was especially important. Although archaeological evidence and genetics point...
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Geometric-Algebraic Theory Clay Tablet from Tell al-Dhabba'i
This clay tablet narrates a geometric-algebraic theory of how to make a solution for a mathematical problem. The conclusion applies a theory very similar to the Pythagorean theorem. From Tell Tell al-Dhabba'i, Iraq. Old-Babylonian period...
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Geometric-Algebraic Theory Clay Tablet from Tell Harmal
This clay tablet narrates a geometric-algebraic theory of angles and triangles, similar to to the theory of Euclid of Alexandria, the father of geometry (lived c. 300 BCE). From Tell Harmal (ancient Shaduppum), Iraq. Old-Babylonian period...
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The Theory of Omens
On this clay tablet, the author has listed the titles of cuneiform omen collections drawn from celestial and terrestrial phenomena. Rather unusually, he explains that the validity of an individual omen depends on the particular month and...
Video
The Political Theory of Thomas Hobbes: The Sovereign and the State
We all live in states today, and Thomas Hobbes has a good claim to have been the first person to articulate this concept in its modern sense. The intention of Hobbes’s civil science was to lower the temperature of politics, and his concept...
Article
William Harvey's Discovery of Blood Circulation
The human body's system of blood circulation was discovered by the English physician and anatomist William Harvey (1578-1657) in 1628. Harvey determined the relationship between the blood system of arteries and veins and the regular contractions...
Article
Ethnicity & Identity Within the Four-Room House
The process of determining ethnicity is a problematic venture, even more so when interpreted through the archaeological record. Despite this issue, evidence, such as the four-room house, has been preserved that can be interpreted to represent...
Definition
Isaac Newton
Isaac Newton (1642-1727) was an English mathematician and physicist widely regarded as the single most important figure in the Scientific Revolution for his three laws of motion and universal law of gravity. Newton's laws became a fundamental...
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Pasteurization Experiment
Louis Pasteur's pasteurization experiment illustrates the fact that the spoilage of liquid was caused by particles in the air rather than the liquid itself. These experiments were important pieces of evidence supporting the idea of Germ Theory...