2min chapter

Twenty Thousand Hertz cover image

Sound and Silence

Twenty Thousand Hertz

CHAPTER

Hair Cells - The Secret Weapon of Hearing Loss

Our sense of hearing is dependent on thousands of microscopic receptors in our inner ear. Animals of all kinds rely on these cells to convert sound waves into electrical signals that can be interpreted by the brain. Jim Hutsbitt has spent decades exploring this complex relationship. If you guess it right, you'll be entered to win a fancy 20,000 Hertz T-shirt.

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