Narwhal tusks were once a highly sought-after commodity ... if you look inside the upper jaw and remove sections of bone as we have done with a few skulls in the collection, you can see two small, ...

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.

Caption Like walruses and elephants, male narwhals (Monodon monoceros) grow tusks; these are modified teeth. In narwhals, the left tooth erupts from their head, reaching more than 8-feet-long in ...

If you ever want a chance to see a 82-inch narwhal tusk up close, look no further than Worcester, Massachusetts. Worcester’s EcoTarium, a science and nature museum, has received a donation of a ...

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Not much is known about the species of whale but new drone footage reveals at least one purpose for their mysterious tusks. More from Science Narwhals are an endangered species, with most of them ...

In the late stages of the 16th century, European explorers reached the Arctic and came across the narwhal, a species of whale ...

A narwhal’s tusk is actually a tooth ... The right front tooth remains small and inside the mouth. Though narwhals are ...

The most extraordinary feature of the narwhal is the long, spiral tusk which always has a left- handed spiral. No one is sure why it twists this way. The tusk, which measures up to 3m in length ...

Phone footage from the day shows Darryn Frost fighting off Usman Khan with a narwhal tusk, to help end the attack. Khan, who was wearing a fake suicide vest, was then shot dead by police.