An article from Science News Jan 2020

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## Abel, Neils Henrik (1802–1829)

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## Aiken, Howard Hathaway (1900–1973)

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## Aleksandrov, Pavel Sergeevich (1896–1982)

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## Algebra

The branch of mathematics dealing with the solution of equations. These equations involve unknowns, or variables, along with fixed numbers from a specified system (Fig. 1). The origins of algebra were based on the need to develop equations that…

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## Algebraic geometry

The study of zero sets of polynomial equations. Examples of zero sets of polynomial equations studied in algebraic geometry are the parabola y − x2 = 0, thought of as sitting in the (x, y)-plane, and the locus of all points (t, t2, t3, t4), which is…

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## Amsler-Laffon, Jakob (1823–1912)

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## Apollonius of Perga (c. 245–c.190 BC)

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## Appert, Nicolas François (c.1750–1841)

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## Archimedes (c. 287–212 BC)

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## Argand, Jean Robert (1768–1822)

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## Aristarchus of Samos (c. 320–c. 250 BC)

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## Artin, Emil (1898–1962)

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## Asian vegetables

Vegetables that are prevalent in Asian cuisines, but less well known in Western diets. Asian vegetables (Fig. 1), also referred to as Asian greens or oriental vegetables, are very important in Asian countries, but are not as popular in North America…

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## Aspartame

A white, crystalline compound, 1-aspartyl-1-phenylalanine methyl ester (APM), used as an artificial sweetener. Aspartame is composed of two amino acids: aspartic acid and phenylalanine [structure (1)]. Amino acid Artificial sweetener Aspartame…

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## Avicenna (980–1037)

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## Babbage, Charles (1792–1871)

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## Baker, Alan (1939– )

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## Banneker, Benjamin (1731–1806)

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## Barrow, Isaac (1630–1677)

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## Beer

A fermented beverage produced from grain. Beer is a generic term used to describe alcoholic beverages made from cereal grains, especially barley (Fig. 1), in the form of malt. Ale, lager, porter, and stout are different kinds of beer made by…

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## Beltrami, Eugenio (1835–1899)

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## Bernays, Paul (Isaak) (1888–1977)

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## Bernoulli, Daniel (1700–1782)

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