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Why do newspapers turn yellow over time? by Brain Stuff | Mixes.VuiZ.Net
Why do newspapers turn yellow over time?
By
Brain Stuff
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#Howstuffworks
#How stuff works
#Marshall
#Newspaper
#Chemistry
Why do newspapers turn yellow over time?
Brain Stuff
0:00
0:00
Description
Newspapers turn yellow over time because they contain lignin, a substance in wood that oxidates when exposed to air and light. Learn more about lignin and paper processing in this episode of BrainStuff.
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