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Anatomy and
Physiology: The Heart's Own Blood
The Heart's Own BloodAnatomy and
PhysiologyThe HeartAnatomy of the HeartThe Four ChambersThe Heart's Own BloodECG: Measuring a Beat
Why does the heart need its own circuit if blood is already…100 Years Young
Centenarians have the last word According to the U.S. Census Bureau, there were 37,306 centenarians in 1990. As advancements in technology and medical research have skyrocketed, so have life…Blood Types
Not all blood is the same Human blood is grouped into four types: A, B, AB, and O. Each letter refers to a kind of antigen, or protein, on the surface of red blood cells. For example, the surface…George, Stefan
(Encyclopedia) George, StefanGeorge, Stefanshtāˈfän gāôrgˈə [key], 1868–1933, German poet, leader of the revolt against realism in German literature. He was poetically influenced by Greek classical…Maritain, Jacques
(Encyclopedia) Maritain, JacquesMaritain, Jacqueszhäk märētăNˈ [key], 1882–1973, French Neo-Thomist philosopher. He was educated at the Sorbonne and the Univ. of Heidelberg and was much influenced by…Lukács, György
(Encyclopedia) Lukács, GyörgyLukács, Györgydyörˈdyə l&oomacr;ˈkäch [key], 1885–1971, Hungarian writer, one of the foremost modern literary critics. Converted to Communism in 1918, Lukács served (…Brooks, Van Wyck
(Encyclopedia) Brooks, Van WyckBrooks, Van Wyckvăn wĭkˈ [key], 1886–1963, American critic, b. Plainfield, N.J., grad. Harvard, 1908. His first book, The Wine of the Puritans (1909), presented the…Brave New Worlds: Staying Human in the Genetic Future
Author:Bryan AppleyardPublisher:Viking Fatalism must be fought against, argues Appleyard's latest book, whether it be in the form of genetic determinism (á la Nazi eugenics and future…Does the virus spread easily from birds to humans?
Does the virus spread easily from birds to humans? No. Though more than 100 human cases have occurred in the current outbreak, this is a small number compared with the huge number of birds…Early 20th-Century Developments in Human Flight
Kitty Hawk to World War II The Wright brothers near Kitty Hawk, NC. Although there is some debate about who was the first to fly an airplane, credit for this feat is usually given to Wilbur (…Trending
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