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Wikipedia: Trail of Tears
This site from Wikipedia provides a description of the Trail of Tears. Also given is some background information that led to the removal of the Cherokees from northern Georgia as well as information on the actual removal process.
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Wikipedia: Tlaloc
This site from the free encyclopedia Wikipedia contains brief but informative information on the Aztec god, Tlaloc. Great for background knowledge on the subject.
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Wikipedia: Real Property
An in-depth encyclopedia article on real property is found here. It discusses what real property is, the ways it can be held, the definitions of estates in land, and the difference in estates being held jointly as joint tenants or as...
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Wikipedia: Diamond
This encyclopedia article provides a detailed overview of the diamond. Content includes a focus on this gemstone's physical properties, the industry that surrounds it, and its history and symbolism.
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Wikipedia: Opal
This encyclopedia article from Wikipedia provides a general overview of the mineral opal.
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Wikipedia: Trigonometric Function
This page from Wikipedia, a free and open-source encyclopedia, covers how to solve a variety of trigonometric equations, most of which involve substitution with a trigonometric identity. The identities themselves are not covered, but...
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Wikipedia: Conservation of Mass
This site from Wilkopedia defines the law of conservation of mass. Included are links to related topics and terms used in the definition.
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Wikipedia: Continental Drift
A brief Wikipedia encyclopedia article on continental drift. It tells what continental drift is, what causes it, and gives examples of evidence that continental drift has occurred.
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Wikipedia: Tycho Brahe
A great overview of the life of astronomer Tycho Brahe from Wikipedia Encyclopedia. This article discusses his contributions to the world of astronomy, and his building of his observatory called Uraniborg.
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Wikipedia: Particle Physics
An in-depth encyclopedia article on particle physics. Discusses what encompasses the study of particle physics, gives a history of particle physics, briefly describes the Standard Model of particle physics, discusses the dispute that...
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Wikipedia: Neuron
Wikipedia offers an overall description of neurons. This site describes their physical appearance, the different parts of neurons, and what their functions are.
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Wikipedia: Hypothalamus
This site from the encyclopedia, Wikipedia, provides a brief open-source encyclopedic explanation of what the hypothalamus is and what its functions are. Links are provided throughout this paragraph along with a picture showing where the...
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Wikipedia: Hot Spring
This website from the encyclopedia Wikipedia contains a definition for what a hot spring is, and tells how they differ from a geyser. Links are also provided throughout for additional information on related subjects.
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Wikipedia: Law of Charles and Gay Lussac
Wikipedia provides information on the Law of Charles and Gay-Lussac, a law that relates the volume and temperature of an ideal gas held at a constant pressure.
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Wikipedia: Geography of Nepal
Offers geographic facts about Nepal, including descriptions of terrain, land use, and natural hazards. Nepal contains eight of the world's ten highest peaks.
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Wikipedia: Aluminum
This encyclopedia article from Wikipedia details the properties of aluminum, including its history, applications, characteristics, its isotopes, and some precautions about aluminum.
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Wikipedia: Isoroku Yamamoto
This site from Wikipedia provides a biography of Japanese naval commander, Isoroku Yamamoto. Includes information on his accomplishments and his involvement in World War II and the attack on Pearl Harbor.
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Wikipedia: Oracle
This article explains what an oracle is and discusses some of the prominent oracles in classical Greece, primarily the one at the temple of Apollo in Delphi. Links are also provided for additional information.
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Wikipedia: Separation of Powers
Discusses what separation of powers is, what it looked like in the past, and how it is interpreted in countries around the world and in the United States.
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Wikipedia: Price Fixing
An encyclopedia article on price fixing discusses what it is, gives examples of different methods of price fixing, example of price fixing in international settings, and information about the allegations that the U.S. record industry...
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Wikipedia: Placenta
A brief but informative description of the placenta. Includes various links to further explain terminology used in the description.
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Wikipedia: Natural Number
Find out exactly what a natural number is and what some of the controversy is over the definition.
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Wikipedia: Democritus
This encyclopedia entry surveys the life and thought of the 5th century BCE Greek philosopher Democritus, who proposed the existence of the atom.
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Wikipedia: Planned Economy
Wikipedia offers detailed information on a planned economy, including support, objections, planned economy and socialism, transition from planned to market economy, and related articles.