Women have more orgasms during sex with men who are more symmetrical. Does this penchant for order cloud our ability to see the universe accurately? A new book by theoretical astrophysicist Mario ...

Many animals naturally develop asymmetric body parts; just look at the massive claw of the fiddler crab or the distorted Picasso-like face of the flatfish. But most mismatches are subtler. As a ...

To most people, “symmetry” means the bilateral symmetry exhibited by, say, a butterfly, or the human face. That is, if you take a picture of a butterfly and draw a straight line down the middle of the ...

Figure 2: Relative phase of the fingertips averaged across subjects in experiment 1. a, Congruous hand positions and symmetrical movement instruction. We conclude that the symmetry tendency in the ...

Reflective symmetry is when a shape can be folded in half, with either side of the fold being a mirror image of the other. Rotational symmetry is when a shape can be rotated and it still looks the ...