#203

In this episode, Jam recounts a humorous yet enlightening story of accidentally taking a dog-sized dose of Benadryl and the sleepy consequences that followed. Melissa, a chemist, dives deep into the chemistry of antihistamines, explaining the difference between first-generation (drowsy) and second-generation (non-drowsy) antihistamines. The episode covers the role of histamine in the body's allergic reactions and how different antihistamines interact with histamine receptors. Melissa elucidates the chemical structures of these medicines and how their polarity affects their ability to cross the blood-brain barrier, ultimately influencing whether they cause drowsiness.

00:00 A Benadryl Mishap
02:12 Understanding Antihistamines
03:28 The Science Behind Benadryl
04:55 How Antihistamines Work
10:41 Non-Drowsy Antihistamines
18:29 Personal Allergy Experiences
27:52 Allergy Medication Preferences
35:11 Supporting the Show

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Question and Response 63

In this episode Melissa and Jam embark on an 'Ask a Chemist' segment, delving into the ethics surrounding the field of chemistry and addressing listener questions. They discuss managing discussions on the dark side of chemistry, why certain chemicals emit characteristic colors in the flame test, and share personal experiences regarding the toughest classes in their educational journeys. The episode also features listener interactions about nostalgic glow-in-the-dark items and anecdotes about the complexities and joys of studying and practicing chemistry. Join them for an engaging exploration of the ethical dimensions of chemistry and the field's fascinating nuances.

00:00 Introduction and Episode Overview
01:15 Addressing the Ethics of Chemistry
07:29 Fun Chemistry Questions
09:03 Personal Stories and Hardest Classes
18:39 Nostalgic Glow-in-the-Dark Items
21:54 Community Engagement and Closing Remarks

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#202

Melissa and Jam dive into a fun and educational holiday-themed activity using poinsettia plants. They explore the chemistry behind these festive plants, specifically focusing on anthocyanins, which are pigments that give the leaves their red color and act as pH indicators. The episode includes a hands-on experiment that listeners can try at home to visualize how different household items can change the color of poinsettia leaves. Perfect for a holiday break activity that educates and entertains both kids and adults.

00:00 Introduction to Holiday Activities
00:24 The Poinsettia Plant: A Festive Icon
01:21 Chemistry Behind Poinsettias
02:35 Historical and Cultural Significance
04:36 Anthocyanins and Plant Pigments
07:54 Understanding Light Absorption
11:47 Interactive Chemistry Lesson
18:52 Exploring the Fascinating World of Light and Color
19:50 Understanding the Science Behind Color Perception
22:10 Fun Science Experiments with Kids
22:56 Making Poinsettia Tea: A Step-by-Step Guide
24:37 Creating Homemade pH Paper
26:14 Testing Household Items for Acidity and Basicity
27:42 Interactive Chemistry Activities for All Ages
37:09 Wrapping Up: Chemistry Fun for the Holidays

References from this episode:

1. https://www.compoundchem.com/wp-content/uploads/2015/12/17-%E2%80%93-Poinsettia-Plant-Indicator.pdf
2. https://bibliotecadigital.ipb.pt/bitstream/10198/3206/1/artigo%20Food%20Chemistry,%2063,%201998,%20435-440.pdf
3. http://lib3.dss.go.th/fulltext/Journal/J.agri.food%20chem/1999/no.1p1-216/1999v47n1p67-70.pdf
4. https://www.compoundchem.com/2013/12/16/poisonous-poinsettia-ph-indicators/
5. https://youtu.be/ORl6EKQI1ws
6. https://www.nature.com/scitable/blog/plantchemcast/the_dark_myth_of_the/
7. https://pubs.acs.org/doi/epdf/10.1021/acs.jchemed.3c00113?ref=article_openPDF
8. https://www.sciencedirect.com/science/article/pii/S2666154322000734

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#075 Rebroadcast

Happy holidays, we hope you have a wonderful season whatever you celebrate! We've got a holiday related episode for you: LEDs. Well I guess we use them all year round, but they get an extra spotlight this time of year. What are they? How do they work? How are they different from other lights? Let's find out!

References from this episode

1. Inorganic Chemistry, Edition 4, Miessler and Tarr
2. https://www.chemistryworld.com/features/leds-to-light-up-the-world/3004661.article
3. https://cen.acs.org/materials/inorganic-chemistry/chemical-search-better-white-light/96/i46

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#201

Melissa and Jam dive into the chemistry behind air dusters. They explore the components inside these cans, and how the physical properties of these chemicals can lead to rapid evaporation, cold burns, and potential hazards. Listeners will learn about the processes of pressure and boiling, the potential dangers of misuse, and how these air dusters work to clean keyboards and other surfaces. The episode is inspired by listener questions and personal anecdotes, making the complex chemistry accessible and engaging.

00:00 Introduction and Initial Curiosity
01:10 Chemistry of Air Dusters
01:35 Listener Questions and Real-Life Examples
04:47 Chemistry Lessons: Gas and Liquid States
06:23 Pressure and Temperature Effects
14:13 Explaining the Air Duster Mechanism
23:02 Understanding Gas Molecules and Boiling
23:45 Potential Dangers of Compressed Air
24:46 Chemical Burns and Frostbite
25:49 Substance Abuse Concerns
29:14 Safe Alternatives for Cleaning Keyboards
31:43 Summary and Chemistry Recap
37:47 Final Thoughts and Recommendations
43:11 Supporting the Show and Closing Remarks

References from this episode:

1. https://www.medicinenet.com/is_your_child_or_teen_huffing/views.htm
2. https://academic.oup.com/jbcr/article/24/4/234/4733835?login=true
3. https://aacijournal.biomedcentral.com/articles/10.1186/s13223-017-0202-0
4. https://www.tandfonline.com/doi/full/10.1080/10550887.2022.2027207
5. https://academic.oup.com/jbcr/article/24/4/234/4733835
6. https://academic.oup.com/jbcr/article/28/6/909/4636891
7. https://youtu.be/pMPKnF8WHf8
8. https://www.sciencedirect.com/science/article/pii/S2665910720300086

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Bonus Episode: Chemistry at Home 12 (Rebroadcast)

Here's another bonus episode dedicated to teaching a specific chemistry experiment you can do at home. This month, we see what happens when we combine chocolate and gum. Yep, you read that right. And yes, it's a little gross.

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#200

In this episode Melissa and Jam delve into the fascinating world of chewing gum. They start by discussing awkward combinations of food and gum, leading to an exploration of what gum is made of. The conversation covers the basics of gum composition, including the roles of sugar, flavor, and especially the gum base, which itself is made of polymers. They explain why gum doesn't dissolve in saliva and how flavors are eventually lost as they are absorbed by saliva. The hosts also talk about the environmental impact of gum and spotlight an innovative company that recycles used gum into new products. The episode is filled with personal anecdotes related to gum, enhancing the scientific discussion with engaging memories.

00:00 The Gum and Chocolate Dilemma
00:40 The Mystery of Natural vs. Unnatural Gum
01:07 Mint Preferences and Gum Curiosities
02:22 Introduction to the Chemistry of Gum
03:31 Podcast Introduction and Community Shoutouts
05:54 Teaching Experiences and Family Connections
08:50 Deep Dive into Gum Chemistry
22:13 The Science Behind Gum Flavor
23:08 Sugar-Free Gum and Flavor Retention
23:42 The Role of Chemists in Gum Production
24:37 Explaining Gum Chemistry
26:18 The Structure and Properties of Gum
29:47 Natural vs. Synthetic Gum
31:50 Recycling Gum: Gumdrop Limited
34:34 Gum in Our Digestive System
36:35 Gum-Related Memories
44:30 Conclusion and Listener Questions

References from this episode:

1. https://cen.acs.org/articles/96/i14/Recycling-used-gum-cycling-through.html?utm_source=Twitter&utm_medium=Social&utm_campaign=CEN&hootPostID=9a9a878b967d568f13944bd2bd2fa649
2. https://gumdropltd.com/
3. https://cen.acs.org/articles/85/i32/Chewing-Gum.html?utm_source=InLine&utm_medium=InLine&utm_campaign=CEN
4. https://www.ecfr.gov/current/title-21/chapter-I/subchapter-B/part-172/subpart-G/section-172.615
5. https://www.acs.org/education/whatischemistry/adventures-in-chemistry/secret-science-stuff/gum.html
6. https://www.youtube.com/watch?v=baC4iuD4gGU
7. https://www.youtube.com/watch?v=_R6R_V9xkAo

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Question and Response 62

New College-Style Sweatshirt!

In this special bonus episode of Chemistry for Your Life, Melissa and Jam dive into listener-submitted questions, covering everything from the rarity of crystals and the chemistry of sourdough to the science behind melting ice on roads in Canada. Along the way, they explore fun tangents about nostalgic movies, glow-in-the-dark nostalgia, and much more. It’s an eclectic mix of chemistry, pop culture, and community interaction!
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