Common moles are almost blind, but they make up for that with a sense of smell that's capable of determining from which direction a scent came, a Vanderbilt University researcher says. The study, published in the journal Nature Communications, used tubes to block a mole's nostril on one side and found that the creature would move toward the opposite side. Moles are the first mammals known to use smelling in stereo in its natural foraging behavior, according to the study.

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