The metabolic cost of investing in and growing thousands of iron-laden teeth over their lifetime must be worth it. The defining characteristic of the narwhal, or “unicorn of the sea,” is a ...

Since he was a child, Martin Nweeia, DMD (DEN ’84), has been fascinated with teeth—from the human variety to the 9-foot spear-shaped tusk that grows out of the head of the narwhal, an Arctic whale.

2. A narwhal’s tusk is actually a tooth. The narwhal’s scientific name, Monodon monoceros, refers to their singular ...

What are the strangest things found in the deep sea? Let's take a look. Narwhals have a tooth that comes out of their head that looks like a long horn, akin to that of unicorns Narwhals have been ...

Narwhals, Monodon monoceros, are toothed whales that live mostly in Arctic coastal waters and inlets. Male and female narwhals only have two teeth, which are both in the upper jaw. The male’s iconic, ...

Staff at Mac's Mission, which is predominantly for animals with special needs, have called the puppy Narwhal. They had been told there was "no medical need to remove" the extra tail as it caused ...

Unlike our own teeth, the narwhal tusk is soft on the outside and gradually gets hard and dense on the inside. It’s thought that narwhals could be the origin of the unicorn myth. The great ...