Question and Response 72

Melissa and Jam tackle a variety of listener questions about chemistry-related topics. They discuss the differences between conductors, semiconductors, and superconductors, and delve into why minty things feel cold and spicy things feel hot. The duo also addresses the safety of silica gel packets, the potency of skunk spray, and the phenomenon of microplastics. They answer questions from their Patreon community and Instagram followers, touching on the unique properties of Helium-3 and providing tips on polishing silver jewelry. The episode features a blend of informative discussions and humorous anecdotes, making chemistry accessible and entertaining for everyone.

00:00 Introduction and Questions Overview
01:54 Diving into Semiconductors and Superconductors
04:46 Silica Gel and Safety Concerns
09:54 The Science Behind Minty Cool and Spicy Hot
13:40 Addressing Unfinished Business
13:55 Instagram Questions: Skunks and Their Potent Smell
15:47 Instagram Questions: Microplastics and Forensics
17:39 Instagram Questions: Helium-3 and Its Uses
19:55 Instagram Questions: Polishing Silver Jewelry
21:28 Email Question: Sourdough Bread Making Tips
25:32 Wrapping Up and Community Shoutouts

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References from the Episode:

1. https://pmc.ncbi.nlm.nih.gov/articles/PMC11856799/#B9-jcm-14-01345
2. https://www.sciencedirect.com/topics/chemistry/hydrocolloid
3. https://pmc.ncbi.nlm.nih.gov/articles/PMC5788207/

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Ask a Chemist: Why are skunks so potent? (and other questions)

Chemistry For Your Life