Why do I have brown eyes? The genes we inherit from our parents determine things like height, looks, hair color, eye color and chemical makeup. This passing of characteristics from parent to child…
(Encyclopedia) Dawkins, Richard (Clinton Richard Dawkins), 1941– British evolutionary biologist and ethologist, b. Kenya, Ph.D. Oxford, 1966. He was a research assistant under Nikolaas Tinbergen at…
The System of Checks and Balances
In 1787 leaders of the states gathered to write the Constitution-a set of principles that told how the new nation would be governed.
The leaders of the states…
The expressed powers of Congress are listed in the Constitution. Congress also has implied powers, which are based on the Constitution's right to make any laws that are "necessary and proper" to…
(Encyclopedia) Rickey, Branch, 1881–1965, American baseball executive, b. Stockdale, Ohio. As manager or executive, he was with the St. Louis Browns (1913–15), the St. Louis Cardinals (1917–42), the…
(Encyclopedia) Fire, Andrew Zachary, 1959–, American geneticist, b. Palo Alto, Calif., Ph.D. Massachusetts Institute of Technology, 1983. After a long association with the Carnegie Institution of…
(Encyclopedia) Capecchi, Mario Renato, 1937–, American geneticist, b. Verona, Italy, Ph.D. Harvard, 1967. On the faculty at Harvard from 1967 to 1973, Capecchi became a professor at the Univ. of Utah…
Top Sports Personalities Lance Armstrong was victorious in the Tour de France, while Serena Williams won four tournaments and blasted her way to a U.S. Open title. by Gerry Brown, John…
Blood Types and GeneticsAnatomy and PhysiologyThe Circulatory SystemCells, Bells!Blood Types and GeneticsNow I Know My WBCs Crash Cart Not all of genetics is so simple. Although some traits (…
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