How does pencil lead stick to paper? - A Moment of Um extra

Smash Boom Best: A funny, smart debate show for kids and family - A podcast by American Public Media - Giovedì

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We know a lot of you debate heads like to take notes and keep score while you're listening to Smash Boom Best, BUT have you ever stopped to think how the pencil lead your’re using sticks to the paper? Strange concept right? This is just the type of question we like to answer on our newest podcast: Moment of Um. The show comes out every weekday in your favorite podcast app. Subscribe now. If you have a question you think might make for a good Moment of Um episode, send it to us at BrainsOn.org/contact.

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