Mollusks Taste Memories To Build Shells

Mollusks add daily to the margins of their shells, producing intricate patterns prized by beachcombers. Though this seems complex, the process can actually be explained by a simple network of nerve cells that sense or "taste" yesterday's shell layer in order to build today's. In essence, seashell patterns are a hard copy of a snail's memories. To prove it, researchers created a computer program that re-creates the patterns seen in seashells.

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