New research complicates the old consensus that IQ is largely fixed, and that’s good news for anyone looking to boost their ...

Identical twins who were raised apart may have IQ differences similar to those of total strangers, according to new research.

New research suggests that education can raise IQ by up to 15 points—even among identical twins—challenging determinism and revealing intelligence to be more malleable than we once believed.

Are we destined to be smart? Twin studies reveal strong genetic roots for IQ, yet up to a third of intelligence is shaped by environment, context, and choice.

New research from University of Virginia psychologists found that “epigenetic clocks” – tools scientists use to estimate a person’s biological age – can predict cognitive decline. The study, which ...

An identical twin has revealed that there is something that sets her apart from her sister: her weight. Since hitting puberty, Ashley has generally weighed 20 to 30lbs more than her sister Kelly ...