Is your air conditioner secretly doing chemistry while you’re inside pretending summer doesn’t exist? How does it turn hot air into cool air, and why does part of the AC blow out even more heat? In this episode, Melissa and Jam crack open the mysterious black box of air conditioning to explore refrigerants, phase changes, energy transfer, and the surprisingly clever science keeping your house livable. Plus: frozen AC coils, summer survival drinks, and the beginning of Hibiscus Girl Summer.

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Timestamps

00:00 — Could we survive a Texas summer without air conditioning?
01:52 — Opening the mysterious black box that is your AC
02:50 — Traditional air conditioners vs. swamp coolers
03:33 — The two chemistry concepts behind air conditioning
04:38 — Understanding energy transfer through human collisions
05:49 — Phase changes explained using a crowded theater
10:30 — How an AC removes energy from hot air
14:20 — What happens inside the refrigerant coils
15:46 — Cooling and recycling the refrigerant
18:50 — Do refrigerators work the same way?
23:19 — Why would ice form inside a broken AC?
28:42 — Our favorite treats and drinks for surviving hot weather

References from the Episode:

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#044 Rebroadcast

You know what we're talking about. That spectacular fizzy geyser. This week, Melissa and Jam explore what makes diet coke and mentos go crazy together. Is it love? Is it hate? Is it chemistry? Why diet coke specifically? Or more importantly, why mentos? Let's get into it.

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References from this episode

1. Diet Coke and Mentos: What is really behind this physical reaction? - American Journal of Physics 76, 551 (2008)
2. Diet Coke and Mentos: What is really behind this physical reaction? - Tonya Coffey
3. Spurting Science: Erupting Diet Coke with Mentos - Scientific American - Science Buddies

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Sara Hull
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Summer Alden
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Justine
Ash
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Autoclave
Dorien VD
Scott Beyer
Jessie Reder
J0HNTR0Y
Cullyn R
Erica Bee
Elizabeth P
Rachel Reina
Letila
Katrina Barnum-Huckins
Suzanne Phillips
Venus Rebholz
Jacob Taber
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Chris Skupien
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#135 Rebroadcast

Well guess what, Melissa is a PhD Doctor now! And you know what that means? She gets to tell us more details about the research she did to get her PhD. Listen to hear what Melissa found as she dove deep into the question "Why do people hate organic chemistry?" for the past few years.

References from this episode

1. National Research Council, (2012), Discipline-based education research: Understanding and improving learning in undergraduate science and engineering, The National Academies Press.
2. Graulich N., (2015), The tip of the iceberg in organic chemistry classes: How do students deal with the invisible? Chem. Educ. Res. Pract., 16(1), 9–21.
3. Xu X. and Lewis J. E., (2011), Refinement of a chemistry attitude measure for college students. J. Chem. Educ., 88(5), 561–568.
4. Gibbons R. E. and Raker J. R., (2019), Self-beliefs in organic chemistry: Evaluation of a reciprocal causation, cross-lagged model. J. Res. Sci. Teach., 56(5), 598–618.

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Thanks to our monthly supporters

Sara Hull
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Summer Alden
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Justine
Ash
Vince W
Julie S.
Heather Ragusa
Autoclave
Dorien VD
Scott Beyer
Jessie Reder
J0HNTR0Y
Cullyn R
Erica Bee
Elizabeth P
Rachel Reina
Letila
Katrina Barnum-Huckins
Suzanne Phillips
Venus Rebholz
Jacob Taber
Brian Kimball
Kristina Gotfredsen
Timothy Parker
Steven Boyles
Chris Skupien
Chelsea B
Avishai Barnoy
Hunter Reardon

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What if the biggest challenge in chemistry education isn’t helping students survive—but helping them thrive? In this final bonus episode of our BCCE Community Conversation series, Melissa talks with Dr. Leyte Winfield about creating learning environments where students feel like they belong. They discuss moving beyond “weed-out” culture, designing courses that maintain high standards while expanding opportunity, and why the future of chemistry depends on empowering talented students rather than simply filtering them out. It’s a fitting conclusion to a series all about rethinking how we teach and learn chemistry.

Important Links

• Submit a Question for Community Conversations
• bcce.divched.org/2026
• YouTube.com/@chemforyourlife
• chemforyourlife.com

• 0:00 – Introducing the final BCCE Community Conversation
• 2:40 – Meet Leyte Winfield and the vision behind “Shifting the Equilibrium”
• 4:25 – From “weed out” culture to empowering student success
• 9:30 – Success-oriented vs. deficit-oriented teaching
• 13:30 – Practical ways to help students thrive without lowering standards
• 16:00 – Open deadlines, accountability, and lessons from COVID
• 18:40 – Connecting chemistry to students’ everyday lives
• 20:00 – Why organic chemistry shouldn’t be about memorization
• 22:20 – Rethinking mentoring and preparing the next generation of chemists
• 27:40 – Wrapping up the BCCE series and looking ahead

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#028

This week, Melissa and Jam travel even further down the rabbit hole of hair chemistry. How does our hair get damaged? How do we curl, straighten, and perm our hair? What's going on there at the molecular level? Let's find out!

References from this episode

1. Biochemistry, Edition 4 - Garret and Grisham
2. Making waves: The chemistry of hair perms - Christine Herman, Chemistry & Engineering News
3. How Did the 80s Get Hair So Big? - American Chemical Society
4. The Chemistry of Hair - C. S. Whewell, Ph.D., F.R.I.C., F.T.I.
5. The Science of Curls - Leidamarie Tirado-Lee

Check out our website at chemforyourlife.com

Watch our episodes on YouTube

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Thanks to our monthly supporters
Sara Hull
Dog Day Dan
Bri .
Summer Alden
Amanda Raymond
Kyle McCray
Justine
Ash
Vince W
Julie S.
Heather Ragusa
Autoclave
Dorien VD
Scott Beyer
Jessie Reder
J0HNTR0Y
Cullyn R
Erica Bee
Elizabeth P
Rachel Reina
Letila
Katrina Barnum-Huckins
Suzanne Phillips
Venus Rebholz
Jacob Taber
Brian Kimball
Kristina Gotfredsen
Timothy Parker
Steven Boyles
Chris Skupien
Chelsea B
Avishai Barnoy
Hunter Reardon

Check out our website at chemforyourlife.com

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How do we build chemistry classrooms where more students can thrive? In this bonus BCCE Community Conversation preview, Melissa talks with Matt Mio about neurodiversity in chemistry education. They discuss why every student experiences learning differently, how understanding those differences can make us better teachers and colleagues, and why creating more accessible learning environments benefits far more people than we might expect. It’s a thoughtful conversation about curiosity, empathy, and what it means to teach the whole student.

Important Links

• Submit a Question for Community Conversations
• bcce.divched.org/2026
• YouTube.com/@chemforyourlife
• chemforyourlife.com

• 0:00 – Introducing the Community Conversation on neurodiversity
• 2:40 – Meet Matt Mio and why this topic matters to him
• 6:10 – What the BCCE session will explore: students and faculty
• 11:00 – Why more educators are thinking differently about neurodiversity
• 14:00 – Melissa’s ADHD journey and designing courses that help everyone
• 18:30 – Questions to bring back to your own teaching community
• 19:10 – Universal Design for Learning and meeting students where they are
• 24:00 – Why awareness is the best place to start
• 25:30 – ADHD “superpowers” and different ways of thinking
• 28:00 – Looking ahead to the Community Conversation at BCCE

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Hairspray seems simple… until you actually stop and think about it. How does it come out as a fine mist? Why doesn’t it dry up inside the can? How can it hold your hair in place without acting like glue? This week we’re unpacking the surprisingly clever chemistry behind one of the most common products in our homes—and discovering it’s far more complicated than either of us expected.

Check out our website at chemforyourlife.com

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Timestamps

• 0:00 – A question inspired by our forensics episode: what is hairspray?
• 4:40 – The three ingredients inside a can of hairspray
• 10:40 – How the propellant turns liquid into a fine aerosol spray
• 18:30 – How polymers create an invisible “hairnet”
• 29:00 – Why designing hairspray is harder than you might expect
• 36:20 – How hairspray compares to gel and mousse
• 45:50 – Fun categories: movies, cast iron, and things that turned out to be more complicated than expected

References from the Episode:

Thanks to our monthly supporters
Sara Hull
Dog Day Dan
Bri .
Summer Alden
Amanda Raymond
Kyle McCray
Justine
Ash
Vince W
Julie S.
Heather Ragusa
Autoclave
Dorien VD
Scott Beyer
Jessie Reder
J0HNTR0Y
Cullyn R
Erica Bee
Elizabeth P
Rachel Reina
Letila
Katrina Barnum-Huckins
Suzanne Phillips
Venus Rebholz
Jacob Taber
Brian Kimball
Kristina Gotfredsen
Timothy Parker
Steven Boyles
Chris Skupien
Chelsea B
Avishai Barnoy
Hunter Reardon

Check out our website at chemforyourlife.com

Watch our episodes on YouTube

Find us on Instagram, Twitter, and Facebook @ChemForYourLife

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Great teaching doesn’t happen in isolation—it happens in community. In this bonus BCCE Community Conversation preview, Melissa talks with chemistry educator Dr. Joanne Stewart about communities of practice: groups of educators who come together to share ideas, solve problems, and help one another grow. They explore why teaching is hard to improve on your own, how these communities support both faculty and students, and why meaningful change in chemistry education depends on building relationships, not just sharing resources.

Important Links

• Submit a Question for Community Conversations
• bcce.divched.org/2026
• YouTube.com/@chemforyourlife
• chemforyourlife.com

• 0:00 – Introducing the BCCE Community Conversation series
• 2:40 – Meet Joanne Stewart and her work in chemistry education
• 5:10 – What is a community of practice?
• 8:20 – How educators can get involved (even as a “lurker”)
• 11:50 – Sharing teaching resources and learning from one another
• 15:30 – Building a “community of communities” in chemistry
• 18:50 – What this year’s Community Conversation will explore
• 23:50 – Why lasting educational change requires strong networks
• 29:20 – BCCE events, communities to explore, and final invitations

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