Chemistry For Your Life

What makes skunk spray smell so astonishingly bad, and why can the odor come roaring back whenever a sprayed dog gets wet? Are humans unusually sensitive to skunk smell? Does tomato juice actually remove it, or have cartoons been lying to us for decades? In this spooky episode, Melissa and Jam investigate skunk spray, sulfur compounds, olfaction, odor removal, and the chemistry behind a smell that simply refuses to die.

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Timestamps

00:00 – A spooky question: Why do skunks smell so bad?

02:43 – The listener question that inspired the episode

04:33 – The chemical family hiding inside skunk spray

08:46 – Why our noses are incredibly sensitive to sulfur compounds

11:38 – How skunks weaponized a smell mammals already hate

12:43 – Why skunk odor can return when it gets wet

17:00 – Drawing out the surprising water-triggered reaction

21:07 – Jam’s teach-back: skunk chemistry explained

31:11 – Does tomato juice actually remove skunk smell?

32:55 – What chemistry suggests might work instead

34:44 – Skunk species, warning signs, and spray strategy

37:58 – Melissa’s baby-skunk rescue and other skunk encounters

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

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Why does microwaving ice cream for two five-second bursts feel different from microwaving it once for ten seconds? Can a science podcast make chemistry accessible without accidentally wrapping complicated ideas in answers that feel a little too neat—and what do seeds know about light that we don’t? Melissa and Jam tackle those questions along with protons versus neutrons, refrigerant patents, leaded gasoline, and an important conversation about unexpected ads. It’s a Q&R episode featuring chemistry off the cuff, educational soul-searching, listener corrections, and an unusually serious investigation into optimal ice cream texture.

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Timestamps

00:00 — Melissa turns the questions on Jam

00:42 — How long should you microwave ice cream?

02:09 — Why two five-second bursts differ from ten continuous seconds

06:43 — How melting and refreezing changes ice cream’s texture

08:25 — Is the podcast making chemistry too easy?

11:00 — Do analogies encourage curiosity or provide overly tidy answers?

17:51 — Jam’s perspective as the podcast’s non-chemist learner

20:15 — Why “that’s just how it is” can end scientific inquiry

25:52 — How can seeds detect light through soil?

31:37 — Yes, Melissa knows the difference between protons and neutrons

35:15 — Patents, leaded gasoline, and the refrigerant industry

37:26 — An important note about gambling ads and podcast platforms

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

Support this podcast on Patreon
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Do atoms “want” full electron shells, do molecules “prefer” stability, and are electrons really “attacking” each other? Or could it be that while personifying molecules might be quietly teaching us the wrong ideas? Chemistry education researcher Jessie Stenlund joins Melissa and Jam to investigate anthropomorphism, analogies, scientific language, and why a satisfying explanation isn’t necessarily an accurate one. Along the way, Melissa reckons with learning that one of her strongest teaching opinions might need revisiting.

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Timestamps

00:00 — Melissa discovers she may have been teaching something wrong

00:52 — Meet chemistry education researcher Jessie Stenlund

04:17 — Why does iron rust?

08:59 — What counts as anthropomorphizing molecules?

11:09 — Why personification makes chemistry easier to learn

15:17 — When chemistry’s official language already sounds human

18:49 — How personification can confuse cause and effect

24:58 — Oversimplification, unfalsifiable claims, and chemical evidence

34:07 — When scientific shorthand replaces real understanding

36:52 — Do students think atoms and molecules are alive?

40:48 — Can satisfying explanations stop us from asking questions?

47:35 — Are electrons really “attacking” other molecules?

52:09 — How to personify chemistry more responsibly

57:00 — Finding the right balance for different learners

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

Support this podcast on Patreon
Buy Podcast Merch and Apparel

Check out our website at chemforyourlife.com

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Rebroadcast #068

This week we issue a correction, joining other science publications issuing the same correction. That's kind of an obvious answer to the question of "Is science always right?" So in this episode we explore that question, as well as what happens when science isn't right. And why that's NOT a bad thing.

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References from this episode

https://www.acs.org/content/acs/en/pressroom/reactions/videos/2019/citrus-scent-debunked.html

https://onlinelibrary.wiley.com/doi/full/10.1111/jfq.12226

Chemistry by Julia Burdge

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

Support this podcast on Patreon
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Check out our website at chemforyourlife.com

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Can cooking pasta, rice, or bread, and then cooling it down, actually make it healthier? Could yesterday’s leftovers affect your blood sugar differently than a freshly cooked meal, or is this just another nutrition “hack” invented by the internet? Melissa and Jam investigate starch, glucose, insulin, digestion, crystallization, and the surprising chemistry that happens while your food sits in the fridge. Plus, the whole thing somehow turns into a Lord of the Rings battle involving glucose, hobbits, and ents, because of course it does.

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Timestamps

00:00 — Can cooking and cooling starch make it healthier?

03:52 — Why bread, pasta, and rice get a bad reputation

04:36 — Starch: a polymer made from glucose

07:03 — How glucose, insulin, and blood sugar work

09:25 — The internet’s cook-cool-reheat claim

12:14 — What crystallization has to do with leftovers

14:43 — How starch changes as cooked food cools

15:48 — What is resistant starch?

17:20 — Studies on reheated bread, rice, pasta, and potatoes

19:51 — Resistant starch, fiber, and your gut bacteria

21:26 — Can repeated reheating make even more resistant starch?

23:14 — Jam explains resistant starch using Lord of the Rings

30:44 — A free food hack with actual science behind it

34:49 — Melissa and Jam’s favorite starchy meals

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

Support this podcast on Patreon
Buy Podcast Merch and Apparel

Check out our website at chemforyourlife.com

Watch our episodes on YouTube

Find us on Instagram, Twitter, and Facebook @ChemForYourLife

Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.