<p>We ask marine mammal odontologist Dr. Martin Nweeia about one of the most amazing teeth anywhere in the animal kingdom and get the full story of the narwhal and its ten-foot tusk.</p>

We ask marine mammal odontologist Dr. Martin Nweeia about one of the most amazing teeth anywhere in the animal kingdom and get the full story of the narwhal and its ten-foot tusk.

Why Do Narwhals Have Tusks?

We hear amazing questions in the exhibit halls of the Museum of Science, Boston. Do woodpeckers get headaches? How many colors are in the rainbow? Who gets to drive the Mars rovers? Pulsar features short interviews with our education staff along with scientists, engineers, and experts from around the world in order to find the answers.

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Why Do Narwhals Have Tusks?

Why Do Narwhals Have Tusks?