(via SciShow) Identical twins may look exactly alike, but they differ in some pretty weird ways. In this List Show, we'll explore five of them.

Alice and Ellen, who have died aged 89, were German identical twin sisters who made their names as a singing and dancing duo ...

Their children are genetic siblings, known as quaternary twins. After identical twin sisters from Delaware married identical twin brothers from Tennessee, the children they are raising together share ...

Bizarre Medical Facts: <a href=" ►25 Weird Facts About The Human Body: <a href=" Seeing double has never been weirder, or ...