Nordhausen the Augustines, Franciscans and Dominicans. Agriculture plays an important role to the present day. Approximately 57% of the municipal territory is in agricultural use. Cereals from the region are used in the making of a famous local spirit, the "Nordhäuser Korn". Historically, sulfuric acid produced by the distillation of green vitriol (iron(II) sulfate) was known as Nordhausen oil of vitriol. The primary industry of Nordhausen is in the production of heavy machinery. The region had a factory for the production of rail engines until 1942. Later the region's plants produced truck motors, augers and excavators. Today, engineering is still the
What Is Intelligence? What Is Intelligence? What Is Intelligence?: Beyond the Flynn Effect is a book by psychologist James R. Flynn which outlines his model for an explanation of the eponymous Flynn effect. The book summarizes much of the work of Flynn in this area, as well as that of his colleague William Dickens of the Brookings Institution. The book begins with a description of what has generally become known as "the Flynn effect": the steady rise from one generation to the next in average scores on IQ tests over time. Flynn notes that this effect apparently contradicts some fundamental beliefs about IQ