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How do we remember smells?

Those intellectual powerhouses over at Scientific American have done it again.

"How do we manage to remember smells despite the fact that each olfactory sensory neuron only survives for about 60 days and is then replaced by a new cell?"

The short version: when sensory neurons in the nose die, they are replaced by a new neuron in exactly the same place.

Also, sensory memories are stored in the brain, silly rabbit!

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