There’s a common assumption that intelligence is largely determined by genetics. After all, previously published studies ...

My identical twin sister and I refused to wear the same clothes as children. It helped us feel like individuals while everyone got us mixed up. As adults, we appreciate our similarities and ...

NEW YORK (WABC) -- Viewers may have been seeing double on Friday's episode of "Live with Kelly and Mark" as the entire audience -- and all of the guest stars -- were adult identical twins. Kelly Ripa ...

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 ...

It turned out I was pregnant with twins. They refused to take a DNA test now as adults to find out if they are identical. When my baby bump began growing at an alarming rate, I persuaded myself that ...

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.

From Romulus and Remus—the myth of the twin brothers who founded the city of Rome—to the synchronized speech of Australia's "Twinnies" Paula and Brigette Powers, identical siblings have long inspired ...

Australian identical twins Bridgette Powers and Paula Powers have gone viral for their mirroring speech patterns and hand gestures 7NEWS Queensland/X Australian identical twins Bridgette Powers and ...