Why can we find geometric shapes in the night sky? How can we know that at least two people in London have exactly the same number of hairs on their head? And why can patterns be found in just about any text - even Vanilla Ice lyrics?...

The University of St. Andrews offers a wonderful introduction to set theory that makes the topic interesting and understandable. Includes numerous links to related philosophers, mathematicians, and topics.

Lists many models and theories of learning. Each one links to the summary of an article. A paid subscription is necessary to access the full article. But if a definition or brief explanation of a term is needed, the summary should...

Bottom-Up Processing and Top-Down Processing are two schools of thought when scientists discuss how humans perceive the senses which they experience. This article explores the two theories of visual perception and cites evidence and...

Explains what the ecological systems theory is and it relates to child development. Looks at five environmental contexts that impact on a child's life and development. Provides examples of how different events within these frameworks...

Apply division to determine the probability of outcomes with a racing game.

A short biography about the Indian mathematician who made extraordinary contributions to mathematical analysis, number theory, infinite series, and continued fractions.

At a difficult time to be a woman mathematician, Germain was able to submit her works on number theory and receive some acknowledgement.

This site discusses the two theories that Ricardo created. The Distribution theory and the International Trade theory (Comparative) are explained in detail.

Discusses the two main influences on language acquisition - environmental as put forward by G.F. Skinner, and biological as espoused by Noam Chomsky.

They say all things must come to an end. Does this include the universe? This video explores current theories on the end of everything. [6:17]

This site from Integrated Publishing provides three different examples of theories of magnetism.

Five different theories on the subject of Imperialism, includes several historical figures for each theory and links for recommended readings on Imperialism.

Third graders practice skills of addition, subtraction, word problems and graphing and develop their own theories about why meat consumption is so different across the world.

Article highlights the accomplishments of Sophie Germain, a French mathematician who contributed to the study of acoustics, elasticity, mathematical physics, and the theory of numbers.

A nice site that breaks down into three sections: "what is the circle of fifths", "finding key signatures" and "guitar tuning and the circle of fifths."

Graph coloring is nothing but a simple way of labeling graph components such as vertices, edges, and regions under some constraints. This site introduces you to graph coloring and its applications in the real world.

A very detailed look at gravitational force and the many theories that have been put forward to try to explain it. Includes lots of illustrations.

Examines mass media and its relationship with society. In the past, it was a one-way relationship and mass media influenced society. Now it works in both directions, with society providing feedback to and influencing mass media. The...

Learn what five different religions have to say about the shaping of life and evolution. [August 8, 2005]

Three opposing views about the disappearance of the "megafauna" in North America. What really happened to the wooly mammoth, mastadon, saber-toothed tiger, among other animals?

Students will examine how significant scientific theories are developed, explore the work of scientists who contributed ideas to the atomic theory, and develop a timeline of key scientists to show how the work of each one built on the...

A lesson plan where the teacher presents the five traditional theories of art (formalism, instrumentalism, imitationalism expressionism and institutionalism.) Learners review Chicana/o and earlier protest art from an instrumental point...

An explanation of the three fundamental assumptions of the cognitive dissonance theory. Also presents an experiment that was conducted as an example that shows how the theory works.