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Algebra: Investigating Variation

Investigating Variation Algebra Rational Equations and Inequalities Solving Rational Equations Proportions and Cross Multiplying Investigating Variation Solving Rational Inequalities There…

May 2009 Current Events: World News

U.S. News | Business/Science News Here are the key events in world news for the month of May 2009. First Female Poet Laureate Appointed in UK (May 1): For the first time…

Neither Fish nor Tetrapod

Neither Fish nor Tetrapod Several times a year popular science articles breathlessly announce the discovery of a “missing link,” but in the case of the recently identified fossils of an odd…

Nutrient Sources

Foods for your Brain (and body) by Mark Hughes Proper nutrition is a key component to living a full and healthy life. Fruits, vegetables, and nuts give our bodies nutrients that keep…

DK Human Body: Hormones

HOW DO HORMONES WORK? FIND OUT MOREHormones are control chemicals that trigger major changes in the body. They control many important functions, including body chemistry, growth and sexual…