Bonus: How does numbing cream work? (and other questions)

Bonus: How does numbing cream work? (and othe...

Up next

Ask a Chemist: Is That Pool Smell Actually Chlorine? (and other questions)

Question and Response #76 You asked… so we answered. What do carbon chains have to do with Greek words? How do MRIs make “3D pixels”? Is that pool smell actually chlorine? And wait… are birds blue, or is that just a trick of the light? This episode is a rapid-fire round of your q ...  Show more

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

Recommended Episodes

The Magic of Chemistry with Kate the Chemist
StarTalk Radio

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.

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 

  Show more

Lori Gottlieb and Guy Winch || Dear Therapists
The Psychology Podcast

Today it’s great to chat with Lori Gottlieb and Guy Winch on the podcast. Lori Gottlieb is a psychotherapist and New York Times bestselling author of Maybe You Should Talk to Someone, which has sold over a million copies and is currently being adapted as a television series. In a ...  Show more

AaS! 218: How Do We Know What the Milky Way Looks Like?
Ask a Spaceman!

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!

  Show more

⭐ The 5+ Star Challenge ⭐
Book Talk, etc.

Send us Fan MailIn Episode 139 of Book Talk, Etc., Tina and Renee share their possible 5+ star reads. They also share what they've been loving lately, their latest reads, and have book talk about trying to find 5-star reads. If you enjoy this episode, be sure to FOLLOW/SUBSCRIBE ...  Show more