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.

This story appears in the April 2013 issue of National Geographic magazine. Tusk and Sunset A mammoth’s tusk spikes the Siberian sky on Bolshoy Lyakhovskiy Island. Tusks that are discovered with ...

Taco-shaped animal A new fossil shows an animal unlike any we've seen before The tusk Templeton discovered is remarkable because of its large size and the rarity of giant mammoths in the area that ...

An interdisciplinary team of researchers identified it as a mammoth tusk, an incredibly rare find for West Texas. After seeing the hunter’s photograph, Juett contacted Center for Big Bend ...

After researchers from Sul Ross State University (SRSU) descended on the historic property, Juett realized the discovery was indeed something special: It was an extremely rare mammoth tusk.

Narwhal tusks were once a highly sought-after commodity. They were often collected by Inuit and traded to gullible Europeans as actual unicorn horn, It’s possible that the spiral shape played a big ...