How do thermoses keep coffee hot?

#227 The Chemistry Behind Firecrackers and Christmas Crackers Melissa and Jam delve into the chemistry behind firecrackers and Christmas crackers. They discuss the key component, silver fulminate, explaining its unstable nature and how it reacts to create the explosive effects. T ...  Afficher plus

Ask a Chemist #73 Melissa and Jam tackle a range of listener questions covering a wide array of chemistry-related topics. They discuss the properties of polymers found in diapers, the science behind bubbles, the controversy surrounding cast iron vs. Teflon cookware, and the fasci ...  Afficher plus

How do you make some things stay hot and others stay cool? Neil deGrasse Tyson, with the help of comedian Chuck Nice, explains the physics of heat transfer, insulation, and why your Stanley cup can keep your drink cold during a fire. 

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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.

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Why is it so hard to get a picture of the Milky Way? How much of our galaxy have we mapped? What the heck is a "barred spiral" and what does that have to do with our core? I discuss these questions and more in today's Ask a Spaceman!

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.

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