Science & Medicine,
Society & Culture,
You'll need to sign in to follow to this podcast.
New to Podcast Chart? Sign up.
Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.
March 12th, 2010
Episode 561 of 1070 episodes
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.
You'll need to sign in to write a comment.
Welcome to the daily audio workout for your head.
You'll need to sign in to add this to your collection.
Podcast Chart © 2016 Project Fantastic Ltd