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Pauling, Linus Carl

(Encyclopedia) Pauling, Linus CarlPauling, Linus Carlpôˈlĭng [key], 1901–94, American chemist, b. Portland, Oreg. He was one of the few recipients of two Nobel Prizes, winning the chemistry award in…

Chinese examination system

(Encyclopedia) Chinese examination system, civil service recruitment method and educational system employed from the Han dynasty (206 b.c.–a.d. 220) until it was abolished by the Ch'ing dowager…

complexity

(Encyclopedia) complexity, in science, field of study devoted to the process of self-organization. The basic concept of complexity is that all things tend to organize themselves into patterns, e.g.,…

Gell-Mann, Murray

(Encyclopedia) Gell-Mann, MurrayGell-Mann, Murraygĕlˈ-män [key], 1929–2019, American theoretical physicist, b. New York City, grad. Yale 1948, Ph.D. Massachusetts Institute of Technology, 1951. He…

Fielding, Henry

(Encyclopedia) Fielding, Henry, 1707–54, English novelist and dramatist. Born of a distinguished family, he was educated at Eton and studied law at Leiden. Settling in London in 1729, he began…

Cathari

(Encyclopedia) CathariCatharikăthˈərī [key] [Gr.,=pure], name for members of the widespread dualistic religious movement of the Middle Ages. Carried from the Balkans to Western Europe, Catharism…

Tillich, Paul Johannes

(Encyclopedia) Tillich, Paul JohannesTillich, Paul Johannestĭlˈĭk [key], 1886–1965, American philosopher and theologian, b. Germany, educated at the universities of Berlin, Tübingen, Halle, and…

week

(Encyclopedia) week, period of time shorter than the month, commonly seven days. The ancient Egyptians used a 10-day period, as did the French under the short-lived French Revolutionary calendar. In…

The Power of Exponents

Are you ready to test your knowledge on math exponents? Exponents, also known as powers or indices, are a fundamental concept in mathematics. They represent repeated multiplication and play a crucial…

Anatomy and
Physiology: Oh, the Pressure!

Oh, the Pressure!Anatomy and PhysiologyCardiovascular and Lymphatic CirculationVessels To and FroHere, There, EverywhereGoing Their Separate WaysOh, the Pressure!Drainage System Blood pressure is…