Article posted: 3/4/2013 12:40 PM

Protein layer called keratin makes wet fingers wrinkle

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Why do our fingers and toes get wrinkly in the bathtub? A student in Cindy Bumbales' first-grade class at Lincoln Prairie Elementary School in Crystal Lake wanted to know.

JOHN STARKS | Staff Photographer

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Why do our fingers and toes get wrinkly in the bathtub? A student in Cindy Bumbales' first-grade class at Lincoln Prairie Elementary School in Crystal Lake wanted to know.
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