Chemistry For Your Life

Ask a Chemist #73

Melissa and Jam tackle a range of listener questions covering a wide array of chemistry-related topics. They discuss the properties of polymers found in diapers, the science behind bubbles, the controversy surrounding cast iron vs. Teflon cookware, and the fascinating world of superconducting magnets. The episode also underscores the importance of ventilating your kitchen, the peculiarities of cling film, and the quirks of silicone products. Along the way, Melissa shares personal anecdotes, and they even address some humorous and intriguing comments from listeners. Tune in for a mix of chemistry insights and light-hearted banter.<...

#226

Melissa and Jam delve into the intriguing world of X-rays. They start with relatable stories from the dentist's office and transition into a deep dive into how X-rays work. Key topics include the electromagnetic spectrum, how X-rays are generated, why some materials allow X-rays to pass through while others don't, and the potential risks associated with repeated exposure. They also share personal anecdotes about broken bones and medical X-ray experiences, as well as shout out to community members who support the show. Join Melissa and Jam as they unravel the chemistry behind X-rays and their impact on...

#018 Rebroadcast

This week Melissa and Jam explore the chemistry of aluminum foil. Why doesn’t it feel hot when we take it out of the oven? How does it cool down so quickly? We harken back to a previous episode about specific heat a few times in this episode, listen to that one by clicking here.

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#225

Melissa and Jam take a break from traditional chemistry topics to delve into chemistry-related stories from Reddit. They discuss a funny sunscreen mishap, give advice to a student struggling in chemistry, and navigate complex interpersonal situations involving TA duties and friend dynamics. Throughout the episode, they provide insightful commentary and useful advice, all while keeping the conversation light and engaging. They also promote their new 'chemist Tree' holiday sweater and remind listeners of the importance of supporting their show.

00:00 Introduction and Holiday Sweater Promotion
01:57 Reddit Stories: Chemists and Academia
04:23 Reddit Story: Sunscreen Mishap<...

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...

Melissa and Jam delve into the chemistry behind popular hydrocolloid bandages and pimple patches. They discuss the composition and functionality of these bandages, exploring how polymers and polar groups work to keep wounds moist and free from external contaminants. The episode also highlights the trend of using pimple patches, especially among teens, and addresses the additional features some patches include, such as microneedles with active ingredients. Melissa shares personal anecdotes about dealing with skin issues and Jam reflects on his own experiences with sickness. The episode concludes with a shout-out to their community members and the importance of public...

#127 Rebroadcast

If you've ever had acne, you've probably tried some creams or washes with "benzoyl peroxide" somewhere on the label. How is it that this specific ingredient is helpful for fighting acne? What is happening at the molecular level when we apply some benzoyl peroxide to our acne? Let's find out!

References from this episode

Melissa and Jam delve into the intricate phenomenon of static electricity. They discuss their own experiences with static shocks and static cling, particularly in the winter months. They explain the concept of contact electrification and the tribal electric effect, providing basic explanations along with why these do not fully account for everything we observe. They highlight recent scientific research, revealing that much about static electricity remains a mystery, including why it occurs more in some materials than others and how friction affects it. The podcast also explores practical examples and ways static electricity impacts everyday life, such as in...

Melissa and Jam discuss the top three kitchen products and habits Melissa avoids and loves based on her expertise in chemistry. She advises against using Teflon or non-stick cookware, vintage plastics, and recycling dirty materials. Instead, she encourages using cast iron pans, glass storage containers, and proper recycling practices. Melissa also shares her fondness for composting and its benefits. The episode wraps up with a hint at future editions focused on other household products and cosmetics.

00:00 Introduction and Initial Concerns
01:06 Chemist's Top Three Avoidances
02:49 Avoiding Teflon and Non-Stick
03:34 Avoiding Vintage Plastic
05:14 Avoiding Dirty...

Melissa and Jam discuss the chemistry behind Poopourri Toilet Spray. Melissa explains how the spray works by forming a non-polar oil layer on top of water, preventing smelly polar molecules like skatole and sulfur compounds from escaping into the air. They also touch upon the practical applications and personal experiences of using the product, making everyday bathroom visits more pleasant. Throughout the episode, the hosts delve into the chemistry of solubility and intermolecular forces, providing an engaging and informative lesson on an often-overlooked subject.

00:00 Introduction to Poopourri Toilet Spray
00:30 Personal Experiences with Bathroom Sprays
01:05 Chemistry...

#072 Rebroadcast

You know what they say, everyone's experienced odors, and 99.99% of all odors smell. We have room sprays, candles, air fresheners, etc. But how can we absorb or eliminate bad smells? Can chemistry do it? How? Let's find out!

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References from this episode

Melissa and Jam delve into the science behind lip balm, investigating whether products like Chapstick and Burt's Bees are beneficial or if they could be causing more harm. They explore the ingredients commonly found in these products, discuss what to avoid for chapped lips, and share dermatologist-recommended alternatives for effective lip care.

00:00 Introduction to the Lip Balm Scam
00:44 Meet the Hosts and Podcast Introduction
01:37 Community Shoutout and Announcements
04:07 The Chapstick Scam Inquiry
08:17 Understanding Chapped Lips
09:50 Ingredients in Lip Balms
16:42 Burt's Bees and Other Lip Balm Brands
23:31 The Irritation Dilemma
23:49...

Melissa and Jam tackle a range of fascinating chemistry questions from their audience in this episode of 'Chemistry For Your Life'. They discuss why glass is transparent, how some foods make our mouth feel hot or cold, and the science behind decaffeinating coffee. Along the way, they share insights about their popular 'ghost holding an Erlenmeyer Flask' merch and highlight the importance of ad placements and community support for the podcast. Tune in to learn all about the chemistry behind these everyday phenomena!

00:00 Introduction and Overview
00:11 Chemistry Questions and Topics
01:27 Merchandise and Halloween Special
03:05 Comm...

Melissa and Jam discuss the science behind moisturizers and how they help with dry skin. The conversation covers the role of occlusives like petroleum jelly, humectants such as glycerin, and emollients in skincare. They also explore the importance of staying hydrated and the effect of environmental factors on skin moisture. Listeners can learn about the distinct mechanisms that moisturizers use to keep skin hydrated and healthy.

00:00 Introduction and Personal Experiences with Dry Skin
01:23 Understanding Moisturizers: What Do They Really Do?
01:56 Welcome to Chemistry for Your Life
02:07 Shoutout to Our Newest Community Member
03:37 Transitioning...

Melissa and Jam explore the science behind shooting stars, unraveling the chemistry that turns space rocks into brilliant streaks of light in our night sky. They discuss how meteors heat up and glow as they enter Earth’s atmosphere, the difference between meteors, meteoroids, and meteorites, and share fun facts about colorful meteors and the surprising role of amino acids from space. The episode is filled with personal stories, space trivia, and thoughtful tangents about the ethics of asteroid mining and the wonder of the universe.

00:00 Stargazing and Summer Memories
03:20 Meet the Hosts
05:00 Chemistry for Yo...

#067 Rebroadcast (Originally Aired October 2020)

Guess what time of year it is. It's spooky time! One thing we see a lot of during this time of year, is things that glow. And you better believe that's chemistry. So how do glowsticks glow? How does bending the glowsticks start that process? What's mixing with what, and seriously how the heck does it glow? Let's find out.

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Melissa and Jam delve into the fascinating chemistry behind fireflies' bioluminescence. They explore how fireflies produce light through a complex series of chemical reactions involving specific molecules like luciferin and enzymes like luciferase. The discussion extends to how these mechanisms find applications in scientific research, such as identifying tumors in mice. The episode is interspersed with nostalgic summer stories, making it a blend of chemistry education and personal anecdotes.

00:00 Nostalgic Summer Evenings
00:33 Fireflies and Childhood Wonder
01:04 Introduction to Firefly Chemistry
02:22 Shoutout to Ash and Podcast Tips
03:58 Diving into Bioluminescence
04:52 The Chemistry Behind...

Melissa and Jam dive into a variety of listener-submitted questions. They discuss the science behind fluffy shave ice versus mainland shaved ice, the effectiveness and safety of ozone treatments for smoke smells, and the potential impact of glyphosate on human health. They also explore the chemistry of everyday items like rinse aid in dishwashers, different types of soap, and even hypothetical scenarios involving bleach and gasoline. Melissa provides insights based on her knowledge as a chemist, offering a fascinating look into the chemistry of our everyday life.

00:00 Introduction and Listener Questions
00:29 Chemistry of Shave Ice
06:58...

Melissa and Jam explore the science behind why sweat is salty. They discuss personal experiences with sweating, the types of sweat glands, and the chemical processes involved in sweat production. The episode explains how osmosis, ion channels, and salt concentrations contribute to the movement of sweat through sweat glands to the skin's surface. They also touch on evolutionary aspects and the role of sweat in cooling the body. For anyone curious about the chemistry of everyday life, this episode offers an accessible and intriguing explanation.

00:00 Introduction: Why is Sweat Salty?
00:27 Personal Experiences with Sweat
01:32 The...

#050

This week, Melissa and Jam once again look under the armpits of society, this time to explore sweat. Is it cool? Well does it keep us cool? How? At what cost? Is there more to sweat than meets the eye? Can you drink it? Grab your sweat bands and let's hit the track Paulie Bleeker.

References from this episode

In this continuation of our two-part series, Melissa and Jam dive into the intriguing chemistry behind color film and Polaroid photography. The episode picks up from the previous discussion on black and white film, focusing on color theory and how it applies to both traditional and instant photography. Listeners will learn about the science of additive and subtractive colors, how multiple layers of dye-sensitized silver halide work together to capture images, and the unique processes involved in developing these images. For those fascinated by the intersection of chemistry and photography, this episode is a must-listen.

00:00 Introduction and...

Melissa and Jam tackle a variety of questions and corrections from their listeners. They dive into topics such as the effectiveness of baking soda and vinegar as cleaning agents, the science behind kombucha carbonation, the structural differences in Panko breadcrumbs, and how polymer clays harden in the oven versus air dry clay. They also explore fun anecdotes from the community about glow-in-the-dark items and discuss how Monster energy drinks can explode when frozen. The episode provides valuable insights into everyday chemistry while addressing common myths and misconceptions.

00:00 Introduction and Teasers
00:34 Corrections and Community Feedback
02:14 Kombucha...

Melissa and Jam delve into the fascinating chemistry behind film photography. They reminisce about their childhood experiences with analog cameras and discuss the shift to digital cameras. Melissa, a chemist, explains the complex chemical processes involved in capturing and developing photos on film, focusing on the role of light-sensitive silver bromide. The episode also includes shout-outs to community members who spurred the topic and closes with personal stories and favorite film photos. Get ready to explore the intersection of chemistry and photography while revisiting nostalgia from the days of film cameras.

#027 Rebroadcast
Originally Published January 23, 2020

This week, Melissa and Jam dive into the chemistry of something that may not seem like chemistry at first: hair. Curly hair to be specific. What makes hair curl? Also what is hair in the first place? Why can hair be so radically different? Alright curly girls, curly guys, and curly folks, let's find out.

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Melissa and Jam dive into the definition and implications of organic foods. They explore what organic means according to USDA standards, dissect common misconceptions about pesticide use, and discuss whether organic produce is actually healthier. This detailed analysis includes Melissa's scientific research process and draws on trusted sources to clarify the nuanced debate around organic foods. Learn about the importance of fruit and vegetable intake, regardless of whether they are organic, and get practical tips for washing produce to minimize pesticide residue.

00:00 Introduction and Recap
00:21 Discussing Organic Foods
00:46 Podcast Setup and Personal Anecdotes
01:41 Health...

This episode of 'Chemistry for Your Life' features Melissa and Jam tackling various chemistry questions sourced from the 'Explain Like I'm Five' subreddit. They aim to explain complex chemistry concepts in a manner even a 5-year-old could understand. Questions discussed include why water isn't flammable, how carbonation works, the nature of colors and atoms, cooking processes, caloric changes during cooking, and why drawings on a steamy mirror reappear. The episode emphasizes simplifying complex ideas and making chemistry relatable to everyday life.

00:00 Introduction and Setting the Scene
00:50 Explaining Chemistry Like You're Five
01:31 Welcome to Chemistry for...

Melissa and Jam discuss the multifaceted debate surrounding the use of the widely known weed killer, Roundup, specifically its active ingredient, glyphosate. Prompted by a listener's question, they explore the good, the bad, and the ugly aspects of glyphosate, including its effectiveness in agriculture, potential health risks, and environmental impacts. They delve into scientific studies, regulatory concerns, and personal anecdotes to provide a comprehensive overview of this controversial herbicide.

00:00 Introduction to Weed Killers
01:34 Listener's Question on Glyphosate
03:24 Understanding Glyphosate
08:32 The Good and Bad of Glyphosate
11:09 Health Concerns and Controversies
18:44 Whistleblowing and Evidence...

#212

Melissa and Jam explore the concept of ozone and its impact on air quality in airplanes. Melissa explains the chemical reaction of ozone, why it's significant in organic chemistry, and how it can lead to discomfort in air travel by interacting with the oils on our skin. They also discuss various tips for flying and the potential benefits of noise-canceling headphones and lounge access for frequent flyers. The episode sheds light on why people often feel unwell on planes, highlighting the Pigpen Effect, where leftover oils from previous passengers can react with ozone to create a micro-cloud...

#110 Rebroadcast
Originally Published August 26, 2021

We've all heard about it. And most likely you've heard that it's in danger. But what is the ozone layer in the first place? And once we learn that, how about figuring out why it's in danger? Ok let's do it.

References from this episode

Question and Response #67

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 tumor-related hormones. Additionally, the hosts answer questions related to their educational resources and touch on the advantages of lifelong learning. Join them for an engaging discussion that satisfies both everyday curiosity and scientific intrigue.

00:00 Introduction...

#211

Melissa and Jam delve into the chemistry behind increased flatulence on airplanes. They explore how changes in air pressure affect gas expansion in the human body, leading to more frequent gas release during flights. The discussion covers the physiology of high altitude flatus expulsion (HAFE), personal anecdotes, and practical advice for managing this phenomenon. Additionally, they touch on how airplane cabin air is regulated and hint at more topics related to airplane air quality in the next episode.

00:00 The Unpleasant Reality of Airplane Odors
01:02 Introducing the Chemistry Behind Airplane Gas
01:51 Meet the Hosts...

Chemistry at Home: Chromatography Rebroadcast
Originally Published June 29, 2020

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 markers, coffee filters, and water. Let's do chemistry!

Watch the experiment here!

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Thanks to our monthly su...

#210

Melissa and Jam dive into the science of home pregnancy tests. They explore the process in which these tests detect the presence of the hormone HCG, which signals a positive pregnancy result. The episode explains the roles of capillary action, antibodies, and enzymes in the test's operation and discusses the specificity needed to avoid false positives and negatives. The hosts also share personal anecdotes related to pregnancy tests and offer gratitude to their supportive community. This episode offers a fascinating look at how everyday chemistry impacts our lives in important ways.

★ Support this podcast on Pa...

Ask a Chemist #66

Melissa and Jam dive into a range of listener-submitted questions exploring everyday chemistry. Topics include the chemistry behind toasting herbs, the effect of gravity on elemental bonds, the purpose and ethics of creating elements with short half-lives, and the effectiveness of cough medicine. They also discuss potential causes of mysterious holes in clothing, the debate on food dyes, and the impact of politics on scientific research funding. The hosts wrap up by addressing various listener questions and sharing some heartwarming and supportive messages from their audience.

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★ Buy Po...

#209

Melissa and Jam dive into the fascinating chemistry behind how plants transport water from their roots to their leaves, effectively defying gravity. They explore processes such as capillary action and the cohesion tension mechanism, citing a primary source from Nature journal. Melissa and Jam also touch on key chemistry concepts like water polarity, hydrogen bonding, and osmosis, providing examples from everyday life. Jam shares a personal story about germinating an apple seed with his son, while Melissa discusses her adventures in native plant gardening. The episode concludes with a shoutout to their Patreon supporters and details on...

#098 Rebroadcast
Original Air Date: June 3, 2021

Could histamine and antihistamines do more than just affect our allergies? Actually yes. Today we discuss new and recent research in the world of histamine, and believe us, there's some really cool stuff.

References from this episode

#097 Rebroadcast

Most of us know the feeling. But what are we actually experiencing when we experience allergies? How does being around plants and pollen make us all sniffly? Why does this beautiful season have such a dark side? Let's find out.

References from this episode

Thanks to our monthly supporters

#208

Melissa and Jam dive deep into the topic of FDA regulations, particularly focusing on food additives like red food dye. They discuss the complexities of the FDA's approval process, the Delaney Clause, and recent changes in the regulation of red dye number 3, which has been banned in response to cancer risks found in rats. They also delve into how other countries like the UK and Canada are ahead of the U.S. in reevaluating approved substances. The episode includes personal anecdotes and a discussion on the role of public awareness in influencing FDA policies. They wrap up...

Question and Response 65

Melissa and Jam delve into a variety of interesting chemistry-related questions sourced from Reddit. They explore why farts stop smelling over time, the non-oily nature of Castile soap, why cookies and candies remain safe to eat at room temperature, and the mechanics behind rice cookers. They also discuss how opening a bottle can freeze its contents and offer reassurance to a chemistry Ph.D. student worried about forgetting basic chemistry knowledge. The episode is filled with insightful explanations, humor, and chemistry support, answering the everyday scientific queries of curious Reddit users.

00:00 Introduction...

#207

Melissa and Jam explore why gasoline doesn't freeze in extremely low temperatures while water and other substances do. They delve into the concepts of intermolecular forces, polarity, and how impurities can affect the freezing and melting points of substances. The discussion includes a comparison of the behavior of different substances at varying temperatures, and a light-hearted conversation on favorite liquids that can exist in both liquid and solid states. They also hint at upcoming merchandise related to the topic.

00:00 Introduction and Setting the Scene
00:43 Why Gasoline Doesn't Freeze
03:10 Chemistry Behind Freezing and Melting<...

#011 Rebroadcast

Why is honey sticky but salt isn’t? What’s the difference between things that stick and things that just feel sticky? In this episode, Melissa and Jam dive into the chemistry behind adhesion, cohesion, and the forces that make substances cling to surfaces (and to our fingers). They explore intermolecular forces, viscosity, and why some things are nearly impossible to separate once they’re bonded. Plus, Jam shares a hilarious mix-up of words, and Melissa breaks down why this topic turned out to be trickier than expected!

Topics Covered:

• The difference between adhes...

#206

Melissa and Jam address a listener's question about the FDA's reliability in approving products. They discuss the intersection of chemistry, government, and society, focusing on FDA's role in regulating food and drugs. The episode includes a deep dive into the historical thalidomide tragedy, the improvements in the FDA's approval process since then, and the nuances of trusting FDA-approved products. Through personal insights, they emphasize the complexities and challenges faced by the FDA in ensuring public safety.

00:00 Introduction: What is the FDA Up To?
00:18 Listener's Question: Trusting FDA Approvals
01:11 Deep Dive: FDA's Role and...

Ask a Chemist #64

Melissa and Jam delve into intriguing chemistry questions posed by their listeners. They explore whether all salts are salty, the chemistry of gunshot residue and fingerprinting, and the reactions between chemicals and sound waves. Special guest Maison, Melissa's husband, joins to discuss sourdough starter cultures and answer sourdough-related queries. The episode concludes with insightful comments from their Chemmunity members and reassurances about their well-being amid late-night recordings.

00:00 Introduction and Episode Overview
01:45 First Listener Question: Gunshot Residue and Fingerprinting
02:46 Is All Salt Salty?
15:28 Chemistry and Sound Waves
18:28 Sourdough Questions...

#205

Jam and Melissa discuss the complexities and consequences of recent executive orders surrounding science funding. Melissa provides insight into how these changes impact university research, faculty positions, and broader society. The duo also highlights the historical context and importance of DEI in academia, emphasizing the broader implications of funding uncertainties on current and future science initiatives.

00:00 Introduction and Special Occasions
00:20 Current Issues in Science Funding
01:10 Host Background and Experience
02:19 Impact of Executive Orders on Science
04:21 Broader Impacts and DEI in Grants
14:03 Indirect Costs and University Funding
16:44 Trickle-Down Effects on...

#047 Rebroadcast

This week, Melissa and Jam explore the chemistry of rust. What even is it? Where does it come from? Is it bad? Is it reversible? Let's get into it.

References from this episode

Thanks to our monthly supporters

#114 Rebroadcast

Tums, alka seltzer, and other antacids: they're simple, they've been around for a long time, but they're a tried and true method for helping our stomachs. But how do they work? What's the chemistry behind these unsung heroes?

References from this episode

Tha...

#204

In this episode Melissa and Jam delve into the fascinating biochemistry behind sourdough bread. They explore the role of microorganisms, including different strains of yeast and bacteria, in the fermentation process. The discussion covers how these organisms contribute to the unique flavors and textures of sourdough, and addresses common questions from listeners about its health benefits, the impact of tap water, and the variability of sourdough starters. The episode combines scientific insights with personal anecdotes about sourdough baking, shedding light on why this bread is so special and why it has gained popularity.

00:00 Introduction to...

Ask a Chemist #64

In this bonus edition of 'Chemistry for Your Life,' hosts Melissa and Jam tackle intriguing questions from listeners. They delve into why some people hiccup when eating carrots, the fascinating uses of poinsettias in food packaging, the role of benzene as a carcinogen, and the controversies surrounding hydrogen-rich water bottles. Additionally, they explain how catalysts work and respond to various chemistry-related inquiries from their engaged audience.

00:00 Introduction and Episode Overview
01:10 Why Do People Hiccup When They Eat Carrots?
06:18 The Dangers of Benzene in Dry Shampoo
08:07 Understanding Catalysts in...

#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...

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...

#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<...

#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

Thanks to our monthly supporters

#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...

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.

Thanks to our monthly supporters

#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...

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!
Thanks to our monthly supporters:

#199

In this episode of 'Chemistry for Your Life,' hosts Melissa and Jam explore the chemistry behind the popular belief that eating carrots improves night vision. They take a deep dive into the scientific processes, including how beta carotene from carrots is converted into vitamin A, then into rhodopsin, and how this helps with night vision. They also discuss the historical context of this belief, dating back to World War II propaganda, and expand their discussion to include other fall foods rich in beta carotene, such as pumpkins and sweet potatoes. The episode also touches on fun...

#055 Rebroadcast

Ever notice that honey crystalizes? Isn't that like super weird? Why does it do that? This week, Melissa and Jam risk getting stuck in this question.

References from this episode

#198

In this special Halloween episode Melissa and Jam explore the spooky yet fascinating world of glow-in-the-dark chemistry. The discussion delves into nostalgic aspects of Halloween, focusing particularly on phosphorescence and the forbidden transitions that cause electrons to glow. The chemistry behind these glowing phenomena is explained with engaging analogies, making complex concepts more accessible. They also share their favorite glow-in-the-dark items from childhood, connecting science with personal memories. The episode is a fun and informative dive into the eerie light of glow-in-the-dark materials.

00:00 Spooky Halloween Introduction
00:42 The Science of Glow in the Dark
05:07...

Question and Response 61

New College-Style Sweatshirt!  And Spooky Chemistry Shirts Are Back! 

In this episode of 'Chemistry for Your Life,' hosts Melissa and Jam address a variety of intriguing listener questions. They cover topics such as the chemical processes behind self-tanners and why early formulations could result in uneven appearances, the unique properties and phase changes of dry ice, and the complexities surrounding high fructose corn syrup. The discussion spans the importance of physical chemistry, the societal pressures linked to beauty standards, and the exfoliating benefits of chemical peels. Positive feedback from viewers is ac...

#196

New College-Style Sweatshirt!  And Spooky Chemistry Shirts Are Back! 

Melissa and Jam explore the fascinating chemistry behind self tanners. They take listeners on a journey from the discovery of the key sugar in self tanners in the 1960s by Dr. Eva Wittgenstein to the present-day scientific understanding. The episode delves into the Maillard reactions, typically known for browning food, explaining in simple terms how similar reactions color the skin when self tanners are used. Additionally, the hosts discuss the molecular structure of carbohydrates, the generation of free radicals, and the temporary UV sensitivity following self-tanner ap...

#048 Rebroadcast

New College-Style Sweatshirt!
And the Ghost Halloween Design is Back!

This week, Melissa and Jam dive into spiciness. What is it? Is it a flavor? Is it a feeling? Is it both? Is it more? Why can some people handle more than others? Does spiciness have any benefits?

References from this episode

#196

New College-Style Sweatshirt!

Melissa and Jam delve into the science behind ibuprofen, exploring why it takes around 30 minutes to work. The discussion covers the chemistry of ibuprofen, including the concept of chiral molecules and enantiomers—molecules with mirror-image forms—highlighting how only one form of ibuprofen works effectively. The episode explains why both forms are included in the medication due to production challenges and discusses recent findings about ibuprofen's potential in cancer treatment. Additionally, the show features various fun facts about ibuprofen, aspirin comparisons, environmentally friendly production methods, and more.

00:00 Introduction and Episode Over...

Question and Response #60

New College-Style Sweatshirt!

In this episode of 'Ask a Chemist' on the Chemistry for Your Life podcast, hosts Melissa and Jam tackle a diverse range of fun and fascinating chemistry questions. Topics include the differences between oxygen in water and air, the properties of jello, the mystery behind glitter, and the impact of pasteurization on milk safety. The episode also addresses more complex inquiries such as infrared spectroscopy and the oxidative stability of whole grain flour.

00:00 Introduction to Ask a Chemist
02:39 The Pasteurization Question
08:51 What Makes Jello Jello?<...

#195

New College-Style Sweatshirt!

In this episode of Chemistry For Your Life, hosts Melissa and Jam delve into the science behind ibuprofen, a common pain reliever. They discuss the role of prostaglandins in inflammation, how ibuprofen inhibits the cox enzyme to reduce pain, and the body's natural immune response. They also share personal anecdotes about meeting listeners, their favorite types of ibuprofen, and explore plans for future episodes about other pain relievers.

00:00 Introduction and Personal Anecdote
01:00 Meet the Hosts
01:11 Exciting Announcements
02:46 Listener Shoutout
05:41 Understanding Pain and Inflammation
06:48 The Role...

#060

Chances are you've heard the word "fluoride" said in reference to your teeth. At the dentists office, on your bottle of mouthwash, maybe you've heard it's in tap water? But what is it, what's so special about it, and how does it help our teeth? Does it make them whiter, stronger, or what? Let's find out.

References from this episode

Thanks to our monthly supporters

#194

In this episode of Chemistry for Your Life, Melissa and Jam delve into the chemistry behind modern dental fillings. They explore how dentists use a combination of organic monomers and inorganic fillers to address cavities and the role of light-activated photoinitiators in hardening these materials. Melissa also shares her personal experiences and recent achievements, introduces new community members, and compares amusing dental scenes in pop culture.

00:00 Introduction and Dentist Experiences
00:38 Chemistry in Everyday Life
02:11 Community Updates and Announcements
04:44 Understanding Dental Fillings
08:39 The Science Behind Polymerization
19:08 The Role of Light in...

Question and Response #59

Reddit's Chemistry Questions Answered In this episode of 'Chemistry for Your Life,' hosts Melissa and Jam dive into Reddit to answer chemistry-related questions. They explore why ice in a fizzy drink causes more fizz, how stainless steel removes onion smells from hands, when to email professors for recommendation letters, and discuss a controversial prank by an organic chemistry professor. The hosts provide insightful and engaging explanations while also sharing personal anecdotes and practical advice for students.

00:00 Introduction to Reddit Chemistry Questions
00:55 Why Does Ice Make Fizzy Drinks Fizz More?
03:09...

#193

In this episode of Chemistry for Your Life, hosts Melissa and Jam delve into the chemistry of milk, focusing on the differences between raw and pasteurized milk. They discuss the processes of pasteurization and homogenization, how they affect the nutritional content of milk, and answer listener questions about raw milk's spoilage, nutritional values, and bacteria. The episode also highlights important safety considerations associated with consuming raw milk and addresses common misconceptions. The hosts also shout out their Patreon supporters and encourage others to join their community.

00:00 Introduction to Milk and Pasteurization
00:53 Listener Questions and...

#071 Rebroadcast

It's time to crack into one of life's great mysteries: eggs. So what happens when we cook them?! How do they go from clear goo to white jiggle? This is a question we received long ago, and with topics this serious, we don't yoke around. So we waited until we could bring in an eggsperienced egg chef, Jason Cress, to figure out this topic with us. In Jam's opinion, Jason's insight on the topic of eggs just can't be beat. We know many of you guys may be busy with some (hopefully safe) version of Thanksgiving...

In this bonus game edition of 'Chemistry For Your Life', host Melissa, co-host Jam, and guest Claire embark on an entertaining journey of debunking or verifying popular 'fun facts' submitted by their listeners. The game, titled 'Fun Fact or Fake Factoid', involves dissecting quirky trivia ranging from the pollination of tomatoes to the weight of all ants versus humans, and the smell of old books. The episode blends humor, friendly competition, and scientific inquiry, including surprising personal anecdotes and genuine compliments. Special thanks are given to the show's Patreon supporters who contributed the intriguing facts for this episode.

Question and Response 58

In this bonus episode of Chemistry For Your Life, hosts Melissa and Jam are joined by Claire, an expert in pharmacology and neuroscience, to discuss the inner workings of antidepressants and answer additional questions from the previous episode. Claire shares her grad school experiences, highlighting the challenges and unique aspects of her biomedical sciences PhD program. They also delve into the complexities of drug side effects, withdrawal symptoms, and whether Adderall is addictive, offering nuanced insights throughout. The episode concludes with each sharing fun facts that live rent-free in their heads and an engaging...

#192

In this episode of 'Chemistry for Your Life,' hosts Melissa and Jam introduce special guest Claire Caballero, a pharmacology and neuroscience PhD student, to discuss how antidepressants work. Claire explains the role of neurotransmitters like serotonin, dopamine, and GABA in mental health, the mechanisms of various antidepressants such as SSRIs, tricyclic antidepressants, and monoamine oxidase inhibitors, and touches on the effects and side effects of drugs like Wellbutrin. The episode provides an insightful look at the chemistry and neuroscience behind how these medications help manage depression and anxiety.

00:00 Introduction and Special Guest Announcement
00:52...

#191

In this episode of 'Chemistry for Your Life,' hosts Melissa and Jam delve into captivating and practical fun facts about vitamin C. They discuss the recommended daily intake, its role in preventing scurvy, the surprising regulations on food labels, and the common foods that are rich in vitamin C. Furthermore, they explore its use as a preservative and potential benefits in skincare, emphasizing the essential need for a varied diet to maintain optimal health. They also share personal anecdotes and considerations for supplementing vitamin C through diet and topical applications.

00:00 Introduction to Fun Facts...

#035 Rebroadcast

Do you like apples? Ever wonder why they turn brown when you cut them? This week, Melissa and Jam explore this very question. What's going on in these apples? Where does the brown come from? Is it a good or bad thing? Does it taste different? Is the brown actually apple tears from the pain of being cut? And how do you like them apples?

References from this episode

#190

In this episode of 'Chemistry for Your Life,' hosts Melissa and Jam delve into the role of vitamin C in the immune system and examine whether taking mega doses of the vitamin can help with common colds. Melissa, a seasoned chemist, explains the chemistry behind oxidation, reduction, and free radicals, and how vitamin C's properties make it crucial for immune function. The discussion also covers historical context, including Linus Pauling's theories, and recent scientific findings on vitamin C's effectiveness. Throughout the episode, Melissa and Jam use analogies and discuss various studies while also previewing future episodes...

Question and Response 57

In this bonus episode of 'Chemistry For Your Life,' hosts Melissa Collini and Jam Robinson answer listener-submitted questions about various chemistry topics. They discuss the distinction between 'chemical' and 'natural' smells, plant poisons, and the mechanisms behind face scrubs and soaps. The episode also features insights from a listener working in the beauty industry and addresses the challenges of avoiding fast food in the context of food deserts. Additionally, the hosts express gratitude for their supportive listeners and patrons.

00:00 Introduction and Greetings
00:58 Listener Questions: Chemical Smells
06:02 Insights from the...

#189

In this episode, Melissa and Jam delve into the crucial role of Vitamin C in the body, focusing on its importance for collagen production. They discuss how collagen, a key structural protein found in tendons, cartilage, bones, teeth, skin, and blood vessels, relies on Vitamin C to form strong, functional structures. The conversation explores the process of how Vitamin C enables enzymes to add essential alcohol groups to collagen strands, allowing them to twist into strong triple helices, which then form a robust matrix in the body. The hosts also touch upon the connection between Vitamin C...

#099 Rebroadcast

In this special re-release episode, Melissa and Jam dive deep into the world of Vitamin A (retinol) and its role in anti-aging skincare. They revisit a popular episode that explores whether anti-aging products genuinely work. The hosts break down the scientific functions of the skin, the impact of UV radiation, and the importance of sunscreen. They also discuss how retinoids (vitamin A) can help repair and maintain the skin's structure, backed by peer-reviewed studies. This episode is a blend of chemistry, practical skincare tips, and personal anecdotes.

00:00 Introduction to Vitamin A and Anti-Aging
00:10...

#188

In this episode, hosts Melissa and Jam dive into the basics of vitamins. They discuss the origins of vitamins, why they are labeled with letters, and the difference between water-soluble and fat-soluble vitamins. The episode also touches on the history of vitamin regulation, the necessity of supplementing vitamins, and the impact of diet on vitamin intake. Finally, they challenge listeners to assess the variety of plant-based foods they consume in a week to promote a healthier diet.

00:00 Introduction to Vitamins
00:27 What Are Vitamins?
01:40 Types of Vitamins: Water Soluble vs Fat Soluble
07:10 Sources...

Question and Response 56

In this bonus edition of Chemistry for Your Life, hosts Melissa and Jam engage with their listeners by answering a variety of chemistry-related questions and addressing listener comments and reviews. They read and discuss both positive and constructive reviews, and provide important updates about joining a network for the podcast. They also talk about the introduction of advertisements, the benefits of becoming a patron for an ad-free experience, and some behind-the-scenes improvements to enhance the show. The episode includes shout-outs to long-time listeners and special mentions of devoted classes and followers. Key discussions cover...

#187

This episode of 'Chemistry for Your Life' delves into the fascinating world of gray hair, exploring its chemistry and biological processes. Hosts Melissa and Jam share personal anecdotes about encountering gray hair before diving into a detailed explanation of how hair turns gray. They discuss the roles of melanin, melanocytes, and enzymes like tyrosinase in hair pigmentation, and how an imbalance in hydrogen peroxide levels within hair follicles can lead to gray hair. Additionally, the episode touches on the impact of genetics and the possible effects of stress and cigarette smoking on graying. They wrap up with...

#030 Rebroadcast

Melissa and Jam continue to sniff out the chemistry of smell, focusing this week on bad smells. Why are we so good at smelling bad smells? Why do they haunt us at night? Why are some bad smells so strong and long lasting, while many great smells are subtle and temporary. What’s in a smell? "That which we call a rose by any other name would smell as sweet." I think that quote applies here right?

References from this episode

#186

In this episode of 'Chemistry for Your Life' hosts Melissa and Jam explore the common notion that elderly people have a distinct smell. They delve into the scientific basis behind this observation, discussing the role of volatile organic compounds, fatty acids on our skin, and how these compounds can change with age. The episode features discussions on different studies that have attempted to identify specific compounds associated with 'old people smell' and debates their findings. It also touches upon cultural and dietary influences on body odor, the impact of hygiene practices, and the psychological aspects of scent...

Bonus Episode: Question and Response 55

In this bonus episode of 'Chemistry for Your Life,' hosts Melissa and Jam deviate from their usual format of answering listener questions to engage with the Reddit community instead. They delve into various chemistry-related topics, starting with a Reddit user's struggle to understand moles in chemistry, which Melissa, a chemist, explains in simple terms. They also discuss the social dynamics and difficulties of explaining complex scientific concepts to non-experts, exemplified through a Reddit story about a PhD student oversharing her research at a family gathering. The episode also covers the merits...

#185

Let's make dirt. Or is it dirt? I don't know, well, can you dig it? We've all heard of compost, maybe you compost, maybe your friend does, maybe they talk about it a lot. But how does it work? Why can we compost some things, but not others? And why can't we just put compostable stuff into the trash can, won't it break down in the landfill? Let's find out!!

References from this Episode

#082 Rebroadcast

Wow sunglasses sure are cool. What's the coolest thing about them? Is it how cool they make us look and feel? Or is it the chemistry inside them? We'll let you decide, but we think you'll be surprised to find out how significant a role chemistry plays in the making of your shades.

References from this episode

#184

That's right, the Northern Lights aren't just cool CGI after all. They're real, but what are they? Why do they occur? And how are they chemistry? Let's find out!

References from this Episode

Bonus Episode: Question and Response 54

In this month's bonus episode, Melissa and Jam respond to your comments and questions about dissolving, purple shampoo, coal ash, and petroleum waste.

Thanks to our monthly supporters

Check out our website at c...

#183

We're adding another chapter to the PFAS series! There's new information from the FDA that we've got to talk about,. It's about the PFAS that coat food wrappers. What does it mean? Is it good news? Is it enough? Let's talk about it!

References from this Episode

#081 Rebroadcast

The sun. It's nice, it's warm, it helps things grow, it helps us see, it helps us exist in the first place. But it's also a massive burning molten ball of radiation and ultraviolet rays. So how does our mysterious yellow friend fade the poor items we leave outside? Let's find out. Don't hurt us, yellow friend.

References from this episode

#182

There's an eclipse coming to the US in April! Which means we'll all be getting that reminder to NOT LOOK AT THE ECLIPSE WITHOUT PROPER EYE PROTECTION. But why is that? At the molecular level, what happens to our eyes if we look at the eclipse? And how does eye protection prevent damage to our eyes? Let's find out!

References from this Episode

Bonus Episode: Question and Response 53

In this month's bonus episode, Melissa and Jam respond to your comments and questions about purple shampoo, salt on icy roads, msg, and more!

Thanks to our monthly supporters

Check out our webs...

#181

Have you heard about Vitamin D? Has someone ever told you that you need it and it's really important? Have you ever wondered why? And have you ever wondered what the heck THE SUN has to do with Vitamin D? Well rise and shine it's time to finally get to the bottom of this.

References from this Episode

#085 Rebroadcast

Well here in Texas, we just suffered through an intense freeze. And many a plant became a casualty of the cold, but why? What's going on at the molecular level that causes freezing temperatures to be bad for many plants? And is talking about this even chemistry? Let's find out.

References from this episode

#180

Depending on where you live, you may use Fahrenheit or Celsius to measure temperature, but how did these measurements come about, why are they different, and seriously, who is Kelvin?

References from this Episode

Thanks to our monthly supporters

Bonus Episode: Question and Response 52

In this month's bonus episode, Melissa and Jam respond to your comments and questions about metals, kombucha, learning styles, condiments, and more!

Reference from this episode:

#179

Over the past few years infrared thermometers have started being EVERYWHERE. So as we've cracked open the conversation on thermometers we've got to find out, how do infrared thermometers work? How are they different from other kinds?

References from this Episode

Thanks to our monthly supporters

#074

This time of year, it's a common occurrence, something so common that we might not even wonder about it anymore. But really, why do we see our breath in the air when it's cold? We see steam from cooking things and boiling water, but our breath isn't that hot, so why do we see it? What does temperature have to do with it? Let's find out.

References from this episode

#178

Thermometers tell us what temperature something is. But how do the thermometers know what the temperature is? Who tells the thermometers? Or rather, how do thermometers accurately gauge what the temperature is, consistently, in high heat and super cold? Let's find out.

References from this Episode

Thanks to our monthly su...