Why is a moose’s nose so big?

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Artist Liza McElroy of Seward, Alaska, recently sketched two moose in their summertime aquatic environment to illustrate this story.

A scientist from Ohio once pondered why moose have such big noses.

Why might a scientist from Ohio care? It can tell a person about evolution, says Lawrence Witmer. Witmer is a biologist and professor of anatomy at Ohio University. As part of a study of unusual noses on dinosaurs and modern animals, Witmer and his colleagues examined the enigmatic nose of the moose.

Because moose disappeared from Ohio long ago, Witmer looked farther north for help. He found it in Newfoundland, Canada’s easternmost province. There, workers for

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