Narwhals: Arctic Whales With Super-Sensing Tusks

Tusking Arctic Narwhals
Narwhal Tusks
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Narwhal Tusk Pulp
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Tusking Arctic Narwhals
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Scientists at Woods Hole Oceanographic Institution in Falmouth, Massachusetts, ready a narwhal head specimen for a computed tomography (CAT) scan. Researchers are seeking to examine nerve connections between the tooth and the brain.

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—Photograph by Joseph Meehan
 

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