Shiitake Shiitake The shiitake (; Lentinula edodes) is an edible mushroom native to East Asia, which is cultivated and consumed in many Asian countries. It is considered a medicinal mushroom in some forms of traditional medicine. The fungus was first described scientifically as "Agaricus edodes" by Miles Joseph Berkeley in 1877. It was placed in the genus "Lentinula" by David Pegler in 1976. The fungus has acquired an extensive synonymy in its taxonomic history: The mushroom's Japanese name is composed of , for the tree "Castanopsis cuspidata" that provides the dead logs on which it is typically cultivated, and . 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