People's intelligence has clearly increased since IQ was first measured in the 1930s. A Norwegian research team now took a closer look at IQ tests done by hundreds of thousands of Norwegian men in the military service.
They saw a decline from the conscripts born in 1975 onwards. It is especially in vocabulary and mathematics that it begins to decline, says researcher Ole Røgeberg to Idébyrån. Ulf Danielsson, professor of theoretical physics, is convinced that humans have become dumber.