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 Your Life Merch
07:00 Camping Stories & Inspiration
10:00 Chemistry of Gases and Atmosphere
13:00 What Are Shooting Stars?
18:00 The Science of Meteor Glow
23:00 Fun Facts: Colors, Metals, and Amino Acids
30:00 Asteroid Mining & Space Ethics
36:00 Favorite Space Stories
43:00 Listener Shoutouts & Support
47:00 Final Thoughts & Wrap-Up
★ Support this podcast on Patreon ★
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References from this episode:
Thanks to our monthly supporters
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Julie S.
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47:42
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47:42
How do glowsticks glow?
#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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References from this episode
Organic Chemistry, Solomons 11e
Quantitative Chemical Analysis, Daniel C. Harris
Simple Glowmatography: Chromatographic Separation of GlowStick Dyes Using Chalk - Thomas S. Kuntzleman,* Kasey R. Bunker, and Ashlee A. Bartlett
https://www.sciencedirect.com/topics/neuroscience/fluorescence
https://ocw.mit.edu/high-school/chemistry/demonstrations/videos/anatomy-of-a-glowstick/glowstick.pdf
Glowmatography - Thomas S. Kuntzleman,* Anna E. Comfort, and Bruce W. Baldwin
Thanks to our monthly supporters
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33:57
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33:57
What makes fireflies glow?
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 Firefly Light
11:17 Understanding Acid-Base Reactions
16:13 The Role of Luciferase
18:43 The Unstable Four-Membered Ring
28:39 Understanding Molecular Structures
29:33 The Instability of Molecular Rings
33:39 Fireflies and Bioluminescence
40:53 Applications in Medical Science
45:37 Nostalgic Summer Memories
52:48 Supporting the Show and Final Thoughts
★ Support this podcast on Patreon ★
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References from this episode:
https://www.chemistryworld.com/podcasts/luciferin/3005839.article
https://www.science.org/content/article/watch-chemistry-behind-how-fireflies-glow
https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.113.258103
https://youtu.be/pTPMwZK2-yM
https://pubs.acs.org/doi/10.1021/jacs.5b03820
https://pubs-acs-org.libproxy.library.unt.edu/doi/10.1021/jp301910p
https://chemistry-europe-onlinelibrary-wiley-com.libproxy.library.unt.edu/doi/10.1002/cphc.201300330
https://chemistry-europe-onlinelibrary-wiley-com.libproxy.library.unt.edu/doi/10.1002/cphc.201200195
https://iubmb-onlinelibrary-wiley-com.libproxy.library.unt.edu/doi/10.1002/iub.134
https://chemistry-europe-onlinelibrary-wiley-com.libproxy.library.unt.edu/doi/10.1002/cbic.200500443
https://www.chemistryworld.com/news/rainbow-makers/3003381.article
https://www.acs.org/molecule-of-the-week/archive/f/firefly-luciferin.html
Thanks to our monthly supporters
Kyle McCray
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Ciara Linville
J0HNTR0Y
Jeannette Napoleon
Cullyn R
Erica Bee
Elizabeth P
Rachel Reina
Letila
Katrina Barnum-Huckins
Suzanne Phillips
Venus Rebholz
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56:31
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56:31
Ask a Chemist: What would be worse, drinking bleach or gasoline? (and other questions)
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 Ozone Treatment for Cigarette Smell
12:15 Glyphosate and Its Effects
21:32 Rinse Aid in Dishwashers
24:02 Concerns About Rinse Safety
24:24 Exploring Cleaning Products
26:26 Differences in Soaps and Shampoos
27:27 Chemistry of Hair and Skin Products
32:59 Hypothetical: Bleach vs. Gasoline
37:17 Listener Shoutouts and Anniversary
42:27 Chemistry of Erasable and Invisible Inks
45:22 Supporting the Podcast
★ Support this podcast on Patreon ★
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Thanks to our monthly supporters
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J0HNTR0Y
Jeannette N
Cullyn R
Erica B
Elizabeth P
Sarah M
Rachel R
Letila
Katrina B
Suzanne P
Venus R
Lyn S
Jacob T
Brian K
Emerson W
Kristina G
Timothy P
Steven B
Chris and Claire S
Chelsea B
Avishai B
Hunter R
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48:53
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48:53
Why is sweat salty?
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 Science Behind Sweat
02:00 Meet the Hosts
02:20 Types of Sweat Glands
04:30 How Sweat Reaches the Skin
07:31 The Role of Salt in Sweat
14:20 Health Indicators in Sweat
17:01 Understanding Osmosis and Interstitial Fluid
17:39 Evolutionary Perspective on Sweating
20:01 Mechanism of Sweat Glands
22:41 Sweat Composition and Function
27:39 Personal Sweating Experiences
33:47 Supporting the Show and Community
★ Support this podcast on Patreon ★
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References from this episode:
https://pmc.ncbi.nlm.nih.gov/articles/PMC6773238/
https://pubs.rsc.org/en/content/articlehtml/2024/lc/d3lc00874f#cit23
https://pubs.acs.org/doi/full/10.1021/acsnano.4c10344
Thanks to our monthly supporters
Vince W
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Autoclave
Chelsea M
Dorien VD
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Ciara L
J0HNTR0Y
Jeannette N
Cullyn R
Erica B
Elizabeth P
Sarah M
Rachel R
Letila
Katrina B
Suzanne P
Venus R
Lyn S
Jacob T
Brian K
Emerson W
Kristina G
Timothy P
Steven B
Chris and Claire S
Chelsea B
Avishai B
Hunter R
★ Support this podcast on Patreon ★
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Check out our website at chemforyourlife.com
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A podcast that helps you understand the fascinating chemistry hidden in your everyday life.
Have you ever wondered why onions make you cry? Or how soap gets your hands clean? What really is margarine, or why do trees change colors in the fall? Melissa is a chemist, and to answer these questions she started a podcast, called Chemistry for your life!
In each episode Melissa explains the chemistry behind one of life’s mysteries to Jam, who is definitely not a chemist, but she explains it in a way that is easy to understand, and totally fascinating.
If you’re someone who loves learning new things, or who wonders about the way the world works, then give us a listen.