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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<p>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.</p><p> </p> Learn more about your ad-choices at <a href="https://www.iheartpodcastnetwork.com">https://www.iheartpodcastnetwork.com</a>

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BrainStuff

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.

Why do newspapers turn yellow over time?

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/ba3b7d26-ef54-45e5-be47-ae32009d1870/transcript