Heritable IQ is Boosted by Environment, Just Like Height

hough it’s not easy to pinpoint the causes of the rise in IQ scores, it’s no paradox that a heritable trait can be boosted by changes in the environment. That’s what happened with height, a trait that also is highly heritable and has increased over the decades, and for some of the same reasons: better nutrition and less disease. Brains are greedy organs, consuming about a fifth of the body’s energy, and they are made of fats and proteins that are demanding for the body to produce. Fig...

 Demographic-economic paradox

The demographic-economic paradox is the inverse correlation found between wealth and fertility within and between nations. The higher the degree of education and GDP per capita of a human population, subpopulation or social stratum, the fewer children are born in any industrialized country. In a 1974 UN population conference in Bucharest, Karan Singh, a former minister of population in India, illustrated this trend by stating "Development is the best contraceptive."[1] The term "paradox" com...

 Pro-Arguments for Simplified Chinese Characters

Proponents feel that simplified characters having fewer strokes makes it easier to learn.[7] Literacy rates have risen steadily in rural and urban areas since the simplification of the Chinese characters, while this trend was hardly seen during 30 years of Kuomintang (KMT) rule and 250 years of Manchurian rule before them, when the traditional writing system was dominant, though this rise in literacy may not necessarily be due to simplification alone. Although Taiwan, which uses traditio...