Why is honey sticky but salt isn’t? What’s the difference between things that stick and things that just feel sticky? In this episode, Melissa and Jam dive into the chemistry behind adhesion, cohesion, and the forces that make substances cling to surfaces (and to our fingers). They explore intermolecular forces, viscosity, and why some things are nearly impo ... Show More
Jul 6
How can chemistry teachers learn from each other?
Great teaching doesn’t happen in isolation—it happens in community. In this bonus BCCE Community Conversation preview, Melissa talks with chemistry educator Dr. Joanne Stewart about communities of practice: groups of educators who come together to share ideas, solve problems, and ... Show More
33m 7s
Jul 2
Ask a Chemist: Is Silicone actually safe? (and other questions)
What happens when some listeners challenge one of our past episodes? This week we’re revisiting our silicone episodes after several listeners pointed us toward new research. Along the way we answer questions about mosquito wristbands, waterproof mascara, stubborn adhesives, and w ... Show More
35m 50s
Apr 2022
Sticky Science: The Force Be With You with Laurie Winkless
<p>What are Van der Waals forces? Neil deGrasse Tyson and co-hosts Chuck Nice and Gary O’Reilly explore the fascinating world of surfaces, biomimicry, and Formula 1 with physicist and author of <i>Sticky: The Science of Surfaces</i>, Laurie Winkless. </p><p>NOTE: StarTalk+ Patron ... Show More
53m 8s
May 2024
The Magic of Chemistry with Kate the Chemist
<p>What is chemistry? Neil deGrasse Tyson and comedian Chuck Nice take fan questions on exothermic reactions, PFAS, ice cream, sugar, fire, and more with Kate Biberdorf, aka Kate the Chemist.</p><p>NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: <b ... Show More
42m 58s