Rail transport in Italy Rail transport in Italy The Italian railway system is one of the most important parts of the infrastructure of Italy, with a total length of of which active lines are 16,723 km. The network has recently grown with the construction of the new high-speed rail network. Italy is a member of the International Union of Railways (UIC). The UIC Country Code for Italy is 83. "RFI" ("Rete Ferroviaria Italiana", Italian Rail Network), a state owned infrastructure manager which administers most of the Italian rail infrastructure. The total length of "RFI" active lines is , of which are double tracks. Lines
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