Add Yahoo as a preferred source to see more of our stories on Google. Credit: Photo: Sarah Crowley; Prop Styling: Liv Melchers Credit: Photo: Sarah Crowley; Prop Styling: Liv Melchers A mirror is one ...
Consider your hands. They are essentially identical in every respect bar one: They are mirror images of each other. Many of the molecules of life, such as proteins and DNA, have the same property.