For centuries, narwhals have fascinated people. Their extraordinary tusks have been carved into scrimshaw, used as medicine, ...

The study, published in the journal Nature Communications, explains how it's actually two opposing spirals that counteract ...

Dr. Michael Grossman of Syracuse Straight Smiles provided guidance on managing various dental emergencies, including broken teeth and knocked-out teeth.

Known for their straight, spiral tusks, these overgrown teeth can reach some ten feet long and are the only tusk known in the animal kingdom to grow in a completely straight line. Most male narwhals ...