Narwhals: Arctic Whales With Super-Sensing Tusks

Tusking Arctic Narwhals
Narwhal Tusks
Narwhal Tusk CT Scan
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Narwhal Tusk Researcher Martin Nweeia
Narwhal Tusk Pulp
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Tusking Arctic Narwhals
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Martin Nweeia, a Connecticut-based dentist, is principal investigator and founder of the Narwhal Tooth Expeditions and Research Investigation. The initiative aims to determine the purpose and function of narwhal tusks.

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—Photograph by Mark Thomas
 

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