Inside a Nautilus Shell
by David and Carol Kelly
Title
Inside a Nautilus Shell
Artist
David and Carol Kelly
Medium
Photograph - Photograph
Description
Nautilus are Cephalopods in a group including the squid, octopus and cuttlefish. Cephalopods are the most highly evolved mollusks. They have a well developed nervous system and highly developed eyes. Surrounding the mouth are many tentacles. Nautilus are the only cephalopod to have a true external shell.
Naturalists, mathematicians and physicists have been fascinated for years by the form of this shell. The spirally coiled, chambered shell is perfectly proportioned mathematically, a remarkable feat of natural engineering. Air is moved through the many chambers to control buoyancy.
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November 4th, 2012
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