Beams of light that can be guided into corkscrew-like shapes called optical vortices are used today in a range of ...

The optical rotatum's logarithmic spiral follows a pattern often found in nature, including nautilus shells. (Image Credit: Capasso Lab / Harvard SEAS) Patterns exist all around the world, creating ...

In a river valley of Tibet, a pointy creature with a “ribbed” shell inched its way along a branch. Its multicolored body blended in with the surroundings — but not well enough. Visiting ...