People with a good sense of smell may also be better at navigation

Recent research suggests that our sense of smell evolved to help us find our way. Now, McGill University neuroscientist Louisa Dahmani and her colleagues support that idea, termed the "olfactory spatial hypothesis." From Science News:

Scientists linked both skills to certain spots in the brain: The left orbitofrontal cortex and the right hippocampus were both bigger in the better smellers and better navigators. The left orbitofrontal cortex and the right hippocampus were both bigger in...

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