FIND OUT MOREThe sour taste of food such as lemons is due to acids. Acids in food are weak, but they can sting if they touch a cut on your skin. Strong acids, such as sulphuric acid in car…
Sandals originated in warm climates where the soles of the feet needed protection but the top of the foot needed to be cool.4,000 years ago the first shoes were made of a single piece of rawhide…
What is this job like? Teachers teach children to read, write, do math, and much more. They use games, videos, computers, and other tools to teach children different subjects. Teachers show…
civil rights activist and ministerBorn: Oct. 3, 1954Birthplace: New York, N.Y. A flamboyant and controversial African American political activist, Sharpton was fully ordained as a Pentocostal…
IntroductionOverview of EconomicsIntroductionWhat Is Economics and Who Cares?Will That Be Large or Small?A Firm BaseGetting Organized: Command, Market, and Mixed EconomiesThree Economists and Their…
(Encyclopedia) MabinogionMabinogionmăbĭnōˈgēən [key], title given to a collection of medieval Welsh stories. Scholars differ as to the meaning of the word mabinogion: some think it to be the plural…
(Encyclopedia) games, theory of, group of mathematical theories first developed by John Von Neumann and Oskar Morgenstern. A game consists of a set of rules governing a competitive situation in which…
(Encyclopedia) Phillips, Wendell, 1811–84, American reformer and orator, b. Boston, grad. Harvard (B.A., 1831; LL.B., 1834). He was admitted to the bar in 1834 but, having sufficient income of his…
