From Romulus and Remus—the myth of the twin brothers who founded the city of Rome—to the synchronized speech of Australia's ...

Identical twins do not share identical fingerprints. Fingerprint patterns are developed early during pregnancy, and the environment of the womb has a lot to do with how the prints are shaped.

But even identical twins are not exact replicas of one another. Genetic changes, events in the womb, and/or life experiences can conspire to create differences between them.

A high school in the US has just seen 15 sets of twins graduate in the same year Are there any twins in your class? Or your ...

Attendees at a high school graduation on New York's Long Island were left seeing double when 15 sets of twins walked across ...