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Notation for the (principal) square root of x. For example, √ 25 = 5, since 25 = 5 ⋅ 5, or 5 2 (5 squared). In mathematics, a square root of a number x is a number y such that =; in other words, a number y whose square (the result of multiplying the number by itself, or ) is x. [1]
In biology, parts of the DNA double helix that need to separate easily, such as the TATAAT Pribnow box in some promoters, tend to have a high AT content, making the strands easier to pull apart. [29] In the laboratory, the strength of this interaction can be measured by finding the melting temperature T m necessary to break half of the hydrogen ...
The history of scientific method considers changes in the methodology of scientific inquiry, not the history of science itself. The development of rules for scientific reasoning has not been straightforward; scientific method has been the subject of intense and recurring debate throughout the history of science, and eminent natural philosophers and scientists have argued for the primacy of ...
Military metaphors are particularly common in descriptions of cancer's human effects, and they emphasize both the state of the patient's health and the need to take immediate, decisive actions himself rather than to delay, to ignore or to rely entirely on others. The military metaphors also help rationalize radical, destructive treatments.
Commercially pure zinc is known as Special High Grade, often abbreviated SHG, and is 99.995% pure. [ 110 ] Worldwide, 95% of new zinc is mined from sulfidic ore deposits, in which sphalerite (ZnS) is nearly always mixed with the sulfides of copper, lead and iron.
Meanwhile, the radical Nazi Joseph Goebbels opposed capitalism, viewing it as having Jews at its core and he stressed the need for the party to emphasise both a proletarian and a national character. Those views were shared by Otto Strasser , who later left the Nazi Party and formed the Black Front in the belief that Hitler had allegedly ...
This page is subject to the extended confirmed restriction related to the Arab-Israeli conflict. Theodor Herzl was the founder of the modern Zionist movement. In his 1896 pamphlet Der Judenstaat, he envisioned the founding of a future independent Jewish state during the 20th century. Part of a series on Jews and Judaism Etymology Who is a Jew? Religion God in Judaism (names) Principles of ...
Wilhelm Reich (1897–1957): Austrian psychiatrist and psychoanalyst, known as one of the most radical figures in the history of psychiatry. [ 287 ] Charles Francis Richter (1900–1985): American seismologist and physicist who is most famous as the creator of the Richter magnitude scale , which, until the development of the moment magnitude ...