Neuroscientists have compared the brains of people with high and low test scores for clues, and they’ve found a few. Identical twins tended to have more similar intelligence test scores than fraternal twins, she and her colleagues found. Advertisement Continue reading the main storyAdvances in DNA sequencing technology raised the possibility that researchers could find individual genes underlying differences in intelligence test scores. Advertisement Continue reading the main storyAs for what the genes actually do, Dr. Posthuma can’t say. “We can’t do it overnight,” Dr. Posthuma said, “but it’s something I hope to be able to do in the future.”

Source: New York Times May 22, 2017 15:00 UTC