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This is Scientific American 60-Second Science. I'm Sophie Bushwick. Got a minute?

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The three blind mice should have heard the farmer's wife coming.

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Because a new study shows that when mice can't see, their hearing improves.

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Researchers kept healthy adult mice in total darkness for a week.

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When the mice got the lights back on, their vision quickly returned to normal, but their hearing was better.

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The researchers also scanned the part of the mouse brains that processes auditory signals while they played a set of tones.

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In the temporarily blind mice, neurons reacted to the notes more quickly.

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The nerves also picked up softer sounds and were better at distinguishing between different tones.

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The improved hearing wore off after a few weeks,

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but researchers are investigating ways to make it permanent.

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The study is published in the journal Neuron.

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Previously, the neurons in this part of the brain were considered incapable of changing after childhood.

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But the findings show the brain is more flexible than we thought.

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And they also suggest that if you can't hear me clearly, try turning out the lights.

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Thanks for the minute, for Scientific American 60-Second Science. I'm Sophie Bushwick.

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