About this episode
Nov 24
Ep. 772: 2025 Gift Guide
Astronomy Cast Ep. 772: 2025 Gift Guide By Fraser Cain & Dr. Pamela Gay Streamed live on Nov 9, 2025. It's time once again for our annual gift-giving guide. We've got recommendations for books, movies, TV shows, games, and of course astronomy gear to satisfy the space nerds in yo ... Show More
31m 47s
Nov 17
Ep. 771: Comet Tails
Astronomy Cast Ep. 771: Comet Tails By Fraser Cain & Dr. Pamela Gay Streamed live on Nov 8, 2025. With the arrival of the comet 3I/Atlas (Asteroid Terrestrial-impact Last Alert System), the world is getting a crash course in comets, their behavior, and of course their tails. Toda ... Show More
32m 32s
Nov 10
Ep. 770: The Ethics of Mars Exploration
Astronomy Cast Ep. 770: The Ethics of Mars Exploration By Fraser Cain & Dr. Pamela Gay Streamed live on Nov 3, 2025. Hosted by: Fraser Cain and Dr. Pamela L. Gay. It is arguable that humanity now has the technological ability to live on Mars. It would be done at enormous expense ... Show More
41m 51s
Apr 2024
Ask a Chemist: Can you dissolve a liquid into a solid? (and other questions)
30m 33s
Jun 2023
Bonus: 1,000,000 Downloads! - YouTube Live Replay
<p><strong>Bonus Episode: Question and Response 45<br />
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<p>This month we have a special bonus episode. To celebrate reaching 1,000,000 downloads, we hung out with a bunch of podcast listeners on YouTube Live and answered questions and had a blast. Check it out if y ... Show More
1h 11m
Apr 2023
Bonus: How does lightning striking sand create glass? (and other questions)
<p><strong>Bonus Episode: Question and Response 42<br />
</strong></p>
<p>In this month's bonus episode, Melissa and Jam respond to comments and questions about freezing point depression, super-heated water, what salt does to yeast, video games, and more!</p>
<p><strong>Thanks to ... Show More
46m 19s
Jun 2023
Bonus: Why is butter yellow? (and other questions)
40m 25s
Feb 2024
Ask a Chemist: Why do metals look metallic? (and other questions!)
48m 8s
Jul 2020
What If the Sun Dimmed Down? - Guest: Emily Calandrelli
We all know we depend on the Sun, but how much? And what happens to us if the Sun goes down...on us?! Join Peter and Richard and science communicator and self-described "Space Gal" Emily Calandrelli as we figure out how much our big blue marble depends on that big orange firebal ... Show More
31m 29s
Sep 2023
Bonus: How does numbing cream work? (and other questions)
37m 35s
Dec 2023
Bonus: What's the chemistry of kombucha? (and other questions)
39m 2s
Nov 2023
Bonus: Acronyms and Mom Memories (chemmunity style)
26m 46s
Streamed live on Jun 24, 2024. Normally Pamela refuses to think about the future. But today, on our final episode before hiatus, she's throwing out those rules. It's like the PURGE! Here's what we're excited about for the future. Especially for the next couple of months until we return in September. This Episode is made possible thanks to our Patrons on Patr ... Show More
<p><strong>Bonus Episode: Question and Response 54<br />
</strong></p>
<p>In this month's bonus episode, Melissa and Jam respond to your comments and questions about dissolving, purple shampoo, coal ash, and petroleum waste.</p>
<p><strong>Thanks to our monthly supporters</strong ... Show More
<p><strong>Bonus Episode: Question and Response 44<br />
</strong></p>
<p>In this month's bonus episode, Melissa and Jam respond to comments and questions about butter, popcorn, vinegar and baking soda, being a dad, and more!</p>
<p><strong>Thanks to our monthly supporters</stron ... Show More
<p><strong>Bonus Episode: Question and Response 52<br />
</strong></p>
<p>In this month's bonus episode, Melissa and Jam respond to your comments and questions about metals, kombucha, learning styles, condiments, and more!</p>
<p><strong>Reference from this episode:</strong></p>
... Show More
<p><strong>Bonus Episode: Question and Response 48<br />
</strong></p>
<p>In this month's bonus episode, Melissa and Jam respond to comments and questions about shoes, freeze-drying, water filters, botox, and more!</p>
<p><strong>Thanks to our monthly supporters</strong></p>
<ul> ... Show More
<p><strong>Bonus Episode: Question and Response 50<br />
</strong></p>
<p>In this month's bonus episode, Melissa and Jam respond to your comments and questions about mosquitos, kombucha, coated cookware, and more!</p>
<p> </p>
<p><strong>Thanks to our monthly supporters</strong>< ... Show More
<p><strong>Bonus Episode: Chemmunity Style<br />
</strong></p>
<p>For this month's bonus episode we don't have questions, so we're recording an episode in the style of our secret supporter-only podcast. Check it out and enjoy an extra episode.</p>
<p> </p>
<p><strong>Thanks to ou ... Show More
