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

nautilus (Nautilus pompilius) is a charismatic cephalopod species known for its exceptional spiraling, chambered shell. It belongs to a family that has barely changed since appearing in the fossil ...

The creature’s distinctive shell ... the Palau nautilus highlights the need for continued research and conservation efforts to protect this remarkable species. As a “living fossil,” it ...

Fossils of them are found all around the world ... We think it’s more likely that ammonites would have had eight arms rather than lots of tentacles like a nautilus, though the shell is more similar to ...