A new study reveals that the sensitivity of teeth, which makes them zing in a dentist's chair or ache after biting into something cold, can be traced back to the exoskeletons of ancient, armored fish.

The sometimes uncomfortable sensations we feel in our teeth may be an evolutionary holdover from the scaly exteriors of ...

Bensley Distinguished Service Professor of Organismal Biology and Anatomy at UChicago and senior author of the new study. "So, here we see that invertebrates with armor like horseshoe crabs need ...

The cutting edge modern imaging used ... of Organismal Biology and Anatomy at the University of Chicago, in a statement. “So, here we see that invertebrates with armor like horseshoe crabs ...

The cutting edge modern imaging used ... of Organismal Biology and Anatomy at the University of Chicago, in a statement. "So, here we see that invertebrates with armor like horseshoe crabs need ...

The anatomy of these flakes of invertebrate armor resembled the teeth of vertebrates ... Haridy figured that modern-day fish might help her answer the question. So she looked at the tooth-like ...

Bensley Distinguished Service Professor of Organismal Biology and Anatomy at UChicago and senior author of the new study. "So, here we see that invertebrates with armor like horseshoe crabs need ...

The cutting edge modern imaging used in the study ... Service Professor of Organismal Biology and Anatomy at the University ...