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basic rest-activity cycle

A biological rhythm of waxing and waning alertness with a period of approximately 90 minutes in humans. During sleep it controls the cycles of REM and slow-wave sleep. Also called the ...

Federal Government, Executive Branch

Federal Government, Executive Branch   Reference library

David K. Nichols, Richard C. Sawyer, Steven L. Rearden, Pearson Bramblett, Daniel J. Tichenor, David L. Herzberg, Daniel J. Tichenor, Joshua H. Mather, Henry F. Graff, Robert David Johnson, and Jesse Stiller

The Oxford Encyclopedia of American Political and Legal History

Reference type:
Subject Reference
Current Version:
Social sciences, Politics, Law, History of Law
12,762 words

...a small budget and an uncertain relationship to the land-grant universities in the de- velopment of agricultural science. In 1887 the Hatch Act established state agricultural exper-imental stations as institutions for basic research in agriculture-related fields. In the late nineteenth century the USDA began reorganizing its research activities to focus on specific problems, such as livestock diseases. The first new unit was the Bureau of Animal Industry, created in 1884 . With permanent status and funding, an approving interest group (cattle ranchers in this...