#154 When you're young in science class, you probably learned the phrase "freezing point," but is that even a thing? Is there a specific temperature at which things go from liquid to solid? Spoiler alert: Melissa thinks that's actually a huge misunderstanding about states of matter and how substances go from liquid to solid. So what's really going on? Let's ... Show More
Apr 9
How do diapers change color when wet?
#235 You’ve seen it a hundred times… but how does it actually work? Why do diapers change color when they’re wet? What kind of chemistry is happening in there? And how does something as simple as pee trigger such a dramatic color shift? Let’s talk acids, bases, color, and one sur ... Show More
50m 34s
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
Feb 2024
Why We Get Depressed with Heather Berlin
<p>What is depression? Neil deGrasse Tyson and co-hosts Chuck Nice and Gary O’Reilly break down the neuroscience behind major depression, its treatments, and the factors that contribute to this pervasive condition with neuroscientist Heather Berlin, PhD.</p><p>NOTE: StarTalk+ Pat ... Show More
46m 53s
Jan 2024
How to Keep Time: Time Tips From the Universe
Time can feel like a subjective experience—different at different points in our lives. It’s also a real, measurable thing. The universe may be too big to fully comprehend, but what we do know could help inform the ways we approach our understanding of ourselves, our purpose, and ... Show More
36m 24s
