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An Ear Cell Made of Yarn

Dayana Krawchuk

An Ear Cell Made of Yarn

Scientists have hobbies just like the rest of us. An enthusiastic knitter who studies embryonic development during the day has recreated a minute portion of the human ear hair cell. Can you see it? The downward curve on the piece represents the tiny hairs on each cell that are activated when we hear a sound. The jumbled lower half is the cell’s microvilli, or stereocilia, which help detect and transmit noise.

See more Signal/Noise.

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