The optical rotatum grows in a spiral shape that is also present in the shell of a nautilus (a type of mollusk), sunflower seeds, and branches of trees.

Because the argonaut still carries around a nautilus-shell-like construction, it has fueled the scientific debate about whether, and how, an animal can lose such a structure during the course of ...

Researchers have described three new species of nautilus found in the Coral Sea and the South Pacific. The three species can be differentiated due to genetic structure, shell size and coloration ...

Object Details Author Saunders, W. Bruce Landman, Neil H Contents Nautilus studies-- the first twenty-two centuries / Richard Arnold Davis -- The ancestry of the genus Nautilus / Curt Teichert and ...

Although its name and likeness are ubiquitous, very little is actually known about the nautilus, a sea creature distinguished by its hallmark spiral-shaped shell. However, three new species of ...