

Don't Panic Geocast
John Leeman and Shannon Dulin
John Leeman and Shannon Dulin discuss geoscience and technology weekly for your enjoyment! Features include guests, fun paper Friday selections, product reviews, and banter about recent developments. Shannon is a field geologist who tolerates technology and John is a self-proclaimed nerd that tolerates geologists.
Episodes
Mentioned books

Mar 8, 2024 • 50min
Episode 381 - "Desk Sedimentology"
This week we talk about new national parks, sticky notes, and empirical evidence about fly fishing.
Fun Paper Friday
Britton, B. J., J. Grimley Evans, and J. M. Potter. "Does the fly matter? The CRACKPOT study in evidence based trout fishing." BMJ 317.7174 (1998): 1678-1680.
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John Leeman
www.johnrleeman.com
@geo_leeman
Shannon Dulin
@ShannonDulin

Mar 1, 2024 • 1h 3min
Episode 380 - "Flame out like a bolide"
This week we talk about how rocks get magnetic field imparted to them and if scientists are really discovering anything new these days.
Fun Paper Friday
Park, Michael, Erin Leahey, and Russell J. Funk. "Papers and patents are becoming less disruptive over time." Nature 613.7942 (2023): 138-144.
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John Leeman
www.johnrleeman.com
@geo_leeman
Shannon Dulin
@ShannonDulin

Feb 23, 2024 • 1h 12min
Episode 379 - "How would you like to buy Brunton?"
This week we're rejoined by the Heerschaps to learn about how they came to own and run Brunton and what's next for the company that is a staple of the geological, recreational, and military navigation world.
Go Get a Brunton!
EPISODE 109 - "REALLY SAD MICHAEL BOLTON MUSIC" LAUREN AND DAVE HEERSCHAP
Fun Paper Friday
This week's fun paper may make you think before saying "Tea, Earl Grey, Hot"
Finsterer, Josef. "Earl Grey tea intoxication." The Lancet 359.9316 (2002): 1484.
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John Leeman
www.johnrleeman.com
@geo_leeman
Shannon Dulin
@ShannonDulin

Feb 16, 2024 • 42min
Episode 378 - "I love the font"
We generally don't think of sedimentary rocks when we think of volcanoes, but they are real! Find out why sedimentologists don't have to be bored in volcanic terranes.
Fun Paper Friday
Torres-Company, Victor. "One ring to multiplex them all." Nature 546.7657 (2017): 214-215.
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John Leeman
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Shannon Dulin
@ShannonDulin

Feb 9, 2024 • 49min
Episode 377 - "Definitely Panic - Another Oklahoma Earthquake"
Oklahoma was rocked by another relatively large earthquake for a mid-continent region. We break it down, compare it to the 2011 earthquake and then talk about the hairy ball theorem.
Fun Paper Friday
McGrath, Peter. "An extremely short proof of the hairy ball theorem." The American Mathematical Monthly 123.5 (2016): 502-503.
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John Leeman
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@geo_leeman
Shannon Dulin
@ShannonDulin

Feb 3, 2024 • 54min
Episode 376 - "Got to get those pizza ovens hot"
This week we tackle the controversial topic of fracking. Learn about how it works and what it does to help get oil and gas out of the ground and into your home.
Fun Paper Friday
Seo, Ki‐Weon, et al. "Drift of Earth's pole confirms groundwater depletion as a significant contributor to global sea level rise 1993–2010." Geophysical Research Letters 50.12 (2023): e2023GL103509.
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John Leeman
www.johnrleeman.com
@geo_leeman
Shannon Dulin
@ShannonDulin

Jan 26, 2024 • 54min
Episode 375 - "Squeeze it shut"
This week we keep talking about wells. It's all about casing, cementing, bottom hole assemblies, and wet underwear.
Fun Paper Friday
Bakkevig, Martha Kold, and Ruth Nielsen. "Impact of wet underwear on thermoregulatory responses and thermal comfort in the cold." Ergonomics 37.8 (1994): 1375-1389.
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John Leeman
www.johnrleeman.com
@geo_leeman
Shannon Dulin
@ShannonDulin

Jan 20, 2024 • 1h 5min
Episode 374 - "Until you Lick It"
How do you drill a hole in the ground? Turns out that drilling wells is more complicated than you might think!
Fun Paper Friday
“Eating Fossils,” Jan Zalasiewicz, The Paleontological Association Newsletter, no. 96, November 2017.
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John Leeman
www.johnrleeman.com
@geo_leeman
Shannon Dulin
@ShannonDulin

Jan 12, 2024 • 1h 3min
Episode 373 - "Tastes like Animal Crackers"
This show got stuck in processing before sabbatical and did not automatically release, but here it is!
This week we range over several topics on our minds while testing out english biscuits per a fun paper a few weeks ago. Also - do cats understand you but just don't care?
Fun Paper Friday
Do cats understand you, but just not care?
Saito, Atsuko, et al. "Domestic cats (Felis catus) discriminate their names from other words." Scientific Reports 9.1 (2019): 5394.
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John Leeman
www.johnrleeman.com
@geo_leeman
Shannon Dulin
@ShannonDulin

Jan 5, 2024 • 1h 13min
Episode 372 - "The Rumors of My Death" 2024 Resolutions
We're back for the 2024 season after our first ever sabbatical and we're ready to talk science, resolutions, and barbie.
Fun Paper Friday
Klamer, Katherine. "Analysis of Barbie medical and science career dolls: descriptive quantitative study." bmj 383 (2023).
Contact us:
Show
Support us on Patreon!
www.dontpanicgeocast.com
@dontpanicgeo
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John Leeman
www.johnrleeman.com
@geo_leeman
Shannon Dulin
@ShannonDulin