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The ants are social insects with a fascinating story of division of labor and social organization. Their history of how this social structure developed from very simple beginnings to more complica...
A public service announcement from the Wilderness Society in which a scene of forest wildlife is overlaid with audio of developers clearing trees. An offscreen male narrator reminds the viewer that...
Illustrates, through music and poetry, the importance of interpreting the writer's tone of voice in deriving meaning from written communication. Defines tone as the relationship between what is mea...
Discusses the discovery of the Dead Sea scrolls; explains how the scrolls came into being, who wrote them and why, and what they mean today. Includes a study of Palestine, beginning with its earlie...
Contrasts pulse jets, turbojets, and ramjets to a true rocket. Compares the operation of a true rocket engine with that of a jet engine, and explains the operation of the three types of jet engines...
Turtles are reptiles along with snakes, lizards and crocodiles. The turtle has a remarkable history, too. He has been around for 200 million years and is relatively unchanged from his early ancesto...
