logo
episode-header-image
Sep 2025
38m 10s

Ask a Chemist: Why is glass clear? (and ...

Melissa and Jam, Bleav
About this episode
Melissa and Jam tackle a range of fascinating chemistry questions from their audience in this episode of 'Chemistry For Your Life'. They discuss why glass is transparent, how some foods make our mouth feel hot or cold, and the science behind decaffeinating coffee. Along the way, they share insights about their popular 'ghost holding an Erlenmeyer Flask' merc ... Show More
Up next
Today
Is there a helium shortage?
#038 Rebroadcast Helium is all fun and games right? High voice, super funny, no worries right? Or is there a serious shortage of helium? This week, Melissa and Jam answer this question. References from this episode Helium: Its Discovery and Applications – Locker We Discovered Hel ... Show More
39m 14s
Apr 23
How does reverse osmosis actually work?
#236 When a retired chemist wrote in… we had to explore to his great questions. How does reverse osmosis actually work? Should you put aluminum foil in your dishwasher? Why do mixed powders mysteriously un-mix themselves? This episode is full of clever questions, surprising chemi ... Show More
38m 26s
Apr 16
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
32m 28s
Recommended Episodes
Aug 2025
Could Peanut Allergies Be Cured?
Peanut allergies have surged dramatically in recent decades, and scientists are still working to understand why. In this episode, journalist Maryn Mckenna, who recently authored an article on the subject, and host Rachel Feltman explore the latest research on causes, treatments a ... Show More
20m 29s
Nov 2025
Can AI Ease the Pain of Loss?
Griefbots—artificial-intelligence-powered chat tools that simulate conversations with the deceased—are helping some people navigate loss in unexpected ways. Science writer David Berreby shares his firsthand experience with these digital companions and explores what they reveal ab ... Show More
13m 10s
Sep 2025
The Dead Composer Whose ‘Brain’ Still Makes Music
In a hauntingly innovative exhibit, brain cells grown from the late composer Alvin Lucier’s blood generate sound. Set in a museum in Perth, Australia, the installation blurs the line between art and neuroscience. Host Rachel Feltman and associate editor Allison Parshall explore t ... Show More
25m 25s
Sep 2025
The Dead Composer Whose ‘Brain’ Still Makes Music
In a hauntingly innovative exhibit, brain cells grown from the late composer Alvin Lucier’s blood generate sound. Set in a museum in Perth, Australia, the installation blurs the line between art and neuroscience. Host Rachel Feltman and associate editor Allison Parshall explore t ... Show More
25m 25s
Feb 2025
Valentine’s Day Isn’t Just for Romance—The Science of Deep Friendships
Love isn’t just about romance. This Valentine’s Day, we’re exploring the power of deep nonromantic bonds. Host Rachel Feltman sits down with Rhaina Cohen, a producer and editor for NPR’s podcast Embedded and author of The Other Significant Others, to discuss the history and psych ... Show More
17m 2s
Apr 2025
Explosive Science with Kate the Chemist
<p>What are chemical reactions like in space? Neil deGrasse Tyson and Chuck Nice team up with Kate the Chemist to explore how cesium helps us tell time, the elusive quest for the periodic table’s “island of stability,” how AI is revolutionizing chemistry, and more!</p><p>NOTE: St ... Show More
54m 29s
Sep 2025
Episode 59: Dr. Paul Chirik on Modern Alchemy
Dr. Paul Chirik, the Edwards S. Sanford Professor of Chemistry and the Chair of the Department of Chemistry at Princeton University, researches something he calls “modern alchemy.” As many of the world's most effective chemical catalysts are made from rare and precious metals, Dr ... Show More
17m 43s
Sep 2025
The Role Our Microbiome Plays In Our ‘Gut Feelings’
Scientists are tuning in to a surprising conversation happening inside us—between our gut and our brain. Host Rachel Feltman chats with Maya Kaelberer, an assistant professor at the University of Arizona’s department of physiology, to explore how intestinal cells and microbiomes ... Show More
13m 26s
Nov 2025
How Science Can Hack Flavor
Will eating mint cancel out the feeling of spice in your mouth? How do you manipulate aroma compounds to mimic the taste of lemon? When it comes to the science of flavor, there is no shortage of questions to ask. On this episode, Dr. Samantha Yammine is joined by renowned flavor ... Show More
30m 20s
Sep 2025
Algorithmic Social Media Is Driving New Slang
From viral slang such as “skibidi” to the rise of so-called brain rot, linguist and content creator Adam Aleksic, aka the “Etymology Nerd,” and associate editor Allison Parshall, who covers the mind and brain, unpack how social media and algorithms are reshaping the way we commun ... Show More
26m 55s