Tiny strains in a crystal can cause electrons to behave in a surprising way that closely resembles a highly sought-after ...

The receptor harbours an overall axis of two-fold symmetry with the extracellular domains organized as pairs of local dimers and with the ion channel domain exhibiting four-fold symmetry.

These three axes -- the familiar X ... ventral axis, which in vertebrates separates the front of the body from the back, and the left-right axis, which creates a mirror-like symmetry of our ...