What’s Inside the Shell?

(Ninth in a series of topical blogs based on chapter by chapter excerpts from Opiate Nation. Translation into most languages is available to the right.)

Shells are beautiful and fascinating to me. Each and every one is unique, differing from others just like our fingerprints. John and I just spent time at the central eastern coast of Australia and on our daily walks on the beach I just couldn’t stop picking up shells – especially the Nautilus shells with their logarithmic spirals of every size, shape, and color. These are empty shells that were once the home of a sea creature.

The exoskeleton of mollusks is the hard, outer layer that protects the tender creature inside. As the creature grows, layers are added to accommodate it. One day, as I was picking up shells in the surf, the inhabitant was still inside. It immediately retreated as far back into its shell as possible.

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