Snail's teeth mystery A snail's teeth bear little resemblance to human or other animals' teeth. At first glance, a snail's mouth appears ... and the snail is a great illustration of how even ...

Sensory features on the armored exoskeletons of ancient fish may be the reason why humans have teeth that are sensitive to cold and other extremes.

A new study from the University of Chicago suggests our sensitive teeth may be an evolutionary leftover that once helped our ...

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

Wake up? Brush your teeth. Going to bed? Brush your teeth. The dental routine of being a human can be a bit monotonous, but ...

The anatomy of these flakes of invertebrate armor resembled the teeth ... your mouth." But no one had known whether there was more to the armor than self-defense. When Haridy scanned the animal's ...

Teeth are sensitive because they evolved from sensory tissue in both ancient vertebrates and ancient arthropods.

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The anatomy of these flakes of invertebrate armor resembled the teeth of vertebrates. Why was that? In other words, says Haridy, "What problem are these two animals solving that gave them such ...