
Don't Panic Geocast
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.
Latest episodes

Nov 5, 2022 • 41min
Episode 347 - "Tiny Crusty Rocks"
It's all about meteorites, space rocks made from proto planets, metals, and more!
Fun Paper Friday
Ness, E., & Bihm, E. (2018). Short-Term Cognitive Therapy for Authors of Rejected Manuscripts. Journal of Polymorphous Perversity
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Shannon Dulin
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Oct 22, 2022 • 49min
Episode 346 - "They Haven't Broke"
This week we recap Shannon's travel to GSA and John's travel to Europe before diving into what shaped knobs are best for different applications in an award winning Fun Paper Friday!
Fun Paper Friday
“How to Use Fingers during Rotary Control of Columnar Knobs,” Gen Matsuzaki, Kazuo Ohuchi, Masaru Uehara, Yoshiyuki Ueno, and Goro Imura, Bulletin of Japanese Society for the Science of Design, vol. 45, no. 5, 1999, pp. 69-76.
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John Leeman
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Shannon Dulin
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Oct 8, 2022 • 35min
Episode 345 - "3rd Hoodoo on the Left"
This week its all about the badlands and how they got to be so bad!
Fun Paper Friday
DECEPTIVELY CHONKY LIZARD BREAKS AN UNFORTUNATE, STRANGE RECORD
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Shannon Dulin
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Oct 1, 2022 • 1h 7min
Episode 344 - "Pre-Cognated"
Learning new things is hard - and we're talking about how we are trying to do it!
Fun Paper Friday
How is sleep tied to creativity?
Weinberger, Eva, et al. "Having a creative day: Understanding entrepreneurs' daily idea generation through a recovery lens." Journal of Business Venturing 33.1 (2018): 1-19.
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Shannon Dulin
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Sep 23, 2022 • 53min
Episode 343 - "Div, Grad, and Curl"
Vector calculus is everywhere, but sadly good explanations are not. This week we talk about the div, grad, and curl operations.
Div, Grad, Curl, and All That: An Informal Text on Vector Calculus
Fun Paper Friday
Yanai, Itai, and Martin Lercher. "The two languages of science." Genome Biology 21.1 (2020): 1-9.
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Shannon Dulin
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Sep 10, 2022 • 52min
Episode 342 - "Kiss Me"
How do we remember all of the sequences, facts, and processes in our fields? Mnemonic devices! This week we chat about a few of our favorites.
Fun Paper Friday
Is having a hypothesis a bad thing?
Yanai, Itai, and Martin Lercher. "A hypothesis is a liability." Genome Biology 21.1 (2020): 1-5.
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Shannon Dulin
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Sep 3, 2022 • 41min
Episode 341 - "Scrambler Outside the Physics Department"
This week we discuss more about the three apparent forces we feel on a rotating ball:
Coriolis Force
Centrifugal Force
Euler Force
Fun Paper Friday
How can you get rid of a bad case of the hiccups?
Odeh, M., H. Bassan, and A. Oliven. "Termination of intractable hiccups with digital rectal massage." Journal of internal medicine 227.2 (1990): 145-146.

Aug 27, 2022 • 1h 4min
Episode 340 - "Coriolis Thing"
The Coriolis force is a ficticious force that makes winds flow parallel to isobars in the atmosphere - this week we talk about it and how it fights the pressure gradient force to make the geostrophic balance work!
Fun Paper Friday
Can counting crows count to zero?
Kirschhock, Maximilian E., Helen M. Ditz, and Andreas Nieder. "Behavioral and neuronal representation of numerosity zero in the crow." Journal of Neuroscience 41.22 (2021): 4889-4896.
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Shannon Dulin
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Aug 20, 2022 • 44min
Episode 339 - "Museum with a crater out back"
This week we talk about meteor crater.
Meteor Crater
Kring, David A. "Air blast produced by the Meteor Crater impact event and a reconstruction of the affected environment." Meteoritics & Planetary Science 32.4 (1997): 517-530.
Fun Paper Friday
Can the pill color change the outcome?
De Craen, Anton JM, et al. "Effect of colour of drugs: systematic review of perceived effect of drugs and of their effectiveness." Bmj 313.7072 (1996): 1624-1626.
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Shannon Dulin
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Aug 12, 2022 • 1h 1min
Episode 338 - "GEARS 2022"
John's company ran the second iteration of the GEARS workshop (read about 2021 here). After learning some hard lessons last year, this year's workshop was much different and hopefully even better!
Fun Paper Friday
Thanks to listener Darryl for this fun... poster Friday? We'll wrap up the episode talking about wraps!
Tastee Tape Poster
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John Leeman
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Shannon Dulin
@ShannonDulin