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The cells in the human body are not outnumbered 10 to 1 by microorganisms. The 10 to 1 ratio was an estimate made in 1972; current estimates put the ratio at either 3 to 1 or 1.3 to 1. [301] The total length of capillaries in the human body is not 100,000 km.
A Mathematician's Lament, often referred to informally as Lockhart's Lament, is a short book on mathematics education by Paul Lockhart, originally a research mathematician at Brown University and U.C. Santa Cruz, and subsequently a math teacher at Saint Ann's School in Brooklyn, New York City for many years.
The American high-school geometry curriculum was eventually codified in 1912 and developed a distinctive American style of geometric demonstration for such courses, known as "two-column" proofs. [49] This remains largely true today, with Geometry as a proof-based high-school math class.
The purpose of this list is not similar to that of the Mathematics Subject Classification formulated by the American Mathematical Society. Many mathematics journals ask authors of research papers and expository articles to list subject codes from the Mathematics Subject Classification in their papers.
William Schieffelin Claytor (1908–1967), third African-American to earn a Ph.D. in mathematics, University of Pennsylvania [1] [2] Paul Cohen (1934–2007) Don Coppersmith (b. 1950), cryptographer, first four-time Putnam Fellow in history; Elbert Frank Cox (1895–1969), first African-American to earn a Ph.D. in mathematics, Cornell University
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The book began with quotations originally in English, arranged them chronologically by author; Geoffrey Chaucer was the first entry and Mary Frances Butts the last. The quotes were chiefly from literary sources. A "miscellaneous" section followed, including quotations in English from politicians and scientists, such as "fifty-four forty or fight!".
"America is a great force for freedom and prosperity. Yet our greatness is not measured in power or luxuries, but by who we are and how we treat one another. So we strive to be a compassionate ...