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Art Nouveau Architecture and Design

A brief discussion of art nouveau and jugendstil architecture circa 1900 will get you up-to-speed with this decorative design used in architecture..

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World War II: Scharnhorst

The battleship/battlecruiser Scharnhorst was a German capital ship that entered service in 1939 and saw service in World War II and was sunk in 1943..

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The Evolution of Communication Media

The invention of the telegraph created changes for newspapers and newspaper technology. Learn more about how communication media has evolved..

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Artist Spotlight: Robert Motherwell

Robert Motherwell's Abstract Expressionist paintings and writings eloquently express the universality of the struggles of being human..

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A Guide to Different Types of Pathogens

Pathogens are agents of disease that often exist in parasitic union with other organisms. Different types of pathogens include bacteria, fungi, and worms..

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The Circular-Flow Model of the Economy

How does money move through the economy? Read about the circular-flow model including, the movement of money, goods and services, and factors of production..

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The History of the Water Wheel

Water wheels have been around since 4000 B.C. but they've undergone a lot of improvements and changes since then and have been replaced by turbines..

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The History of Life Savers Candy

In 1912, chocolate manufacturer Clarence Crane invented Life Savers as a “summer candy” that could withstand heat better than chocolate..

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The Cobb-Douglas Production Function

A Cobb-Douglas production function is a specific standard equation that is applied to describe how much output two or more inputs make in a production process..

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The Decline of Union Power

Labor union membership and power in America declined in the late 1900s due to automation and the strengthening economy of the 1990s..

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Engineering Branches

Engineering encompasses several disciplines. Here is a summary of the main branches of engineering..

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Forestry Jobs and Employment

Here is a concise summary of forestry jobs, career, and employment and what you might be doing as a forester or resource professional..

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Inventive Thinking and Creativity

The following stories about thinkers and inventors will help to motivate your students and enhance their appreciation of the contributions of inventors..