Your Intelligence Genes: 52 and Counting

A new study finds 52 genes that are related to intelligence — a rousing success in a field that has often struggled to find correlations between smarts and genes.These genes "are basically a tip of the iceberg," Posthuma told Live Science.Precisely because the genetic underpinnings of intelligence are so complex, previous studies on the topic turned out to be underpowered — most did not include enough people to detect the correlations between any given gene and people's scores on int