WASHINGTON (CN) – Noting that “hundreds of thousands” of nautilus shells are traded yearly, the National Marine Fisheries Service has proposed the chambered nautilus for Endangered Species Act listing ...

The optical rotatum's logarithmic spiral follows a pattern found often in nature, including nautilus shells. Credit: Capasso Lab / Harvard SEAS The optical rotatum's logarithmic spiral follows a ...

Nautilus studies-- the first twenty-two centuries / Richard Arnold Davis -- The ancestry of the genus Nautilus / Curt Teichert and Tatsuro Matsumoto -- The species of Nautilus / W. Bruce Sanders -- ...