Melissa and Jam dive into a series of chemistry-related questions from their audience. From understanding why wintergreen mints spark in the dark to the science of pregnancy tests and heavy water, the episode covers a broad range of fascinating topics. They also discuss the role of moisturizers, dispel myths about chapstick, and explore the curious case of t ... Show More
Yesterday
Fun Fact or Fake Factoid?! Game Rematch (with Claire Caballero)
In this bonus episode, we host a rematch of our game “Fun Fact or Fake Factoid” with Claire and Jam, using stricter rules: each claim must be entirely true or false as worded, and the winner earns a treat. We test statements about pregnancy-related brain changes, koala fingerprin ... Show More
33m 32s
Feb 27
How do MRIs see inside our bodies, in 3D? (with Claire Caballero)
MRIs are loud. They’re huge. They’re magnetic. But what are they actually doing? This week, we bring Claire back to help us connect the dots between NMR (yes, organic chem flashbacks) and MRI. How does a technique built on tiny hydrogen protons turn into a 3D image of your brain? ... Show More
1h 9m
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
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
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
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
Mar 2025
Roman Water Fights, Pet Squirrels, Perpetual Pre-Singing
Vinny Thomas joins the show to talk about Victorian-era pet squirrels. Jess hops behind the mic to discuss filling the Roman colosseum with water, and Rachel unravels how chewing gum can stop us from "pre-singing." The Weirdest Thing I Learned This Week is a podcast by Popular Sc ... Show More
54m 43s