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Ancient Fish Reveal Tooth Sensitivity's 500-Million-Year Evolution

5/29/2025

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Summary

Story summary

New research from the University of Chicago uncovers a fascinating link between human tooth sensitivity and ancient armored fish, tracing back over 500 million years. What were once believed to be eating structures have evolved into sophisticated sensors for environmental awareness, highlighting a remarkable shared sensory lineage between vertebrates and invertebrates.

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Story summary

New research from the University of Chicago uncovers a fascinating link between human tooth sensitivity and ancient armored fish, tracing back over 500 million years. What were once believed to be eating structures have evolved into sophisticated sensors for environmental awareness, highlighting a remarkable shared sensory lineage between vertebrates and invertebrates.