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.

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 ...

They are elusive, but the "unicorn" of the sea not only exists in some of the coldest water on earth but thrives.

European explorers reached the Arctic and came across the narwhal, a species of whale that has a long tooth, often referred ...

"Narwhal are unicorn-like not just in their appendages, but in their elusiveness." Despite the mystery, narwhals are in focus, because a 5-foot tusk was used this month by a Londoner to help stop ...

A man has described how he fought off the London Bridge knifeman with a narwhal tusk before pinning him to the ground to help end the attack. Darryn Frost, 38, was seen in pictures confronting ...

Two Tennessee men pleaded guilty in early January to selling tusks from over 100 narwhals over a 10-year period. The sales, conducted over the Internet and directly to known collectors, reaped more ...

WWF is glad to be able to provide support to this project partnership of the local Inuit community of Pond Inlet, the Nunavut Wildlife Management Board, the Canadian Federal Department of Fisheries ...

A man has described how he fought off the London Bridge knifeman with a narwhal tusk before pinning him to the ground to help end the attack. Darryn Frost, 38, was seen in pictures confronting ...