John Leeman and Shannon Dulin

Don't Panic Geocast

Science EN ↓ 433 episodes

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.

Author

John Leeman and Shannon Dulin

Category

Science

Podcast website

www.dontpanicgeocast.com

Latest episode

Jun 26, 2026

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Episodes

Episode 256 - "We Don't Know What We're Doing" Episode 0 MST3000 28.06.2020

This week we Mystery Science Theater 3000 our own Episode 0 to celebrate the 8-bit rollover of our show!

Episode 255 - "Reddish Orange" with Stacey Evans 13.06.2020

This week we learn what life is like as a state geologist with Stacey Evans and how fish fart. Fun Paper Friday How do fish fart? Why? Wilson, Ben, Robert S. Batty, and Lawrence M. Dill. "Pacific and Atlantic herring produce burst pulse sounds." Proceedings of the Royal Society of London. Series B: Biological Sciences 271.suppl_3 (2004): S95-S97. Contact us: Show Support us on Patreon! www.dontpan...

Episode 254 - "Continental Condensation Nuclei" Yosemite 07.06.2020

This week we explore the geology of Yosemite and how continents are built! Fun Paper Friday Think dad jokes are bad? Try professor jokes! But do they work? Wandersee, James H. "Humor as a teaching strategy." The American Biology Teacher 44.4 (1982): 212-218. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo show@dontpanicgeocast.com John Leeman www.johnrlee...

Episode 253 - "Googling Under the Table" 30.05.2020

This week we have guest John Leeman? That's right! Shannon wants to know why John took the path he did and how her students can find their own. We're also buzzing about this great un-beeelievable fun paper. Fun Paper Friday Pashalidou, Foteini G., et al. "Bumble bees damage plant leaves and accelerate flower production when pollen is scarce." Science 368.6493 (2020): 881-884. Contact us: Show Supp...

Episode 252 - "People like craters" Upheaval Dome 23.05.2020

You'd think we'd know what caused a big hole in the ground, but we don't. Learn why upheaval dome remains a mystery in this week's show! Upheaval Dome ASU Virtual Field Trip Fun Paper Friday Are there environmentally conscious aliens out there? Find out in this week's fun paper! Montet, Benjamin, and Ryan Loomis. "SET-E: The Search for Extraterrestrial Environmentalism." arXiv preprint arXiv:1603....

Episode 251 - "Teaching Field Geology on a Computer" 16.05.2020

This week Shannon walks us through how she's planning to teach students field geology online and talks about the pains of learning to delegate in the field. Thinglink Solocator Fun Paper Friday Thanks to Darryl for bringing us this harrowing flight related fun paper! AAIB Bulliten S1-2020 Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo show@dontpanicgeoca...

Episode 250 - "Pretty Radioactive Down There" 03.05.2020

This week we delve into the hot world of radiometric methods in geophysics. Find out how gamma rays help us find natural resources and why radioactive materials are concentrated in certain formations. Fun Paper Friday Pressure is on to find a new way to sterilize medical tools. Find out what household appliance is helping! Swenson, Vaille A., et al. "Assessment and verification of commercially ava...

Episode 249 - "Herzprung-Russell" 25.04.2020

This week up look upward to the stars! Learn about stellar classification and how it is important to a geologist! Glowy Earthquakes Crazy Walls H-R Diagrams Fun Paper Friday You look older - were you an elected official? Olenski, Andrew R., Matthew V. Abola, and Anupam B. Jena. "Do heads of government age more quickly? Observational study comparing mortality between elected leaders and runners-up...

Episode 248 - "Palinspastic" 19.04.2020

This week we get palinspastic! Find out how geologists can "unfold" time and reconstruct what past landscapes looked like from a geologic cross-section! Fun Paper Friday Which type of doctor speeds the most? (Well, medical doctors that is.) Find out in this week's Fun Paper! Zimerman, André, et al. "The need for speed: observational study of physician driving behaviors." bmj 367 (2019). Contact us...

Episode 247 - "Mind Blown" 12.04.2020

What's it like to be told you need to teach field geology online? This week we talk about distance learning in higher-ed. Fun Paper Friday What's special about 33? Booker, Andrew R. "Cracking the problem with 33." Research in Number Theory 5.3 (2019): 26. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo show@dontpanicgeocast.com John Leeman www.johnrleeman...

Episode 246 - "Zone of suspended water" ABCs Part 2 04.04.2020

It's time to finish our ABC's! Also we discuss things of a fecal culinary nature on Fun Paper Friday! N - Neap tide O - Ophiolite P - Placer Deposit Q - Quadrangle R - Rating Curve S - Seamount T - Tidewater Glacier U - Unconformity V - Varve W - Womble Shale X - Xyloid Coal Y-Yazoo Stream Z - Zone of Aeration Fun Paper Friday This week... pooopknives.pdf! Eren, Metin I., et al. "Experimental repl...

Episode 255 - "Floppy Clay-stone" ABCs Part 1 28.03.2020

This week we learn the ABC's again! It's time for another geology ABC's series with some great new words to learn. Join us for part one of this two part series. Fun Paper Friday Brucks, Désirée, and Auguste MP von Bayern. "Parrots voluntarily help each other to obtain food rewards." Current Biology (2020). Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo s...

Episode 244 - "Stress, Strain, What's the Difference?" 20.03.2020

This week we talk about stress, strain, and how they are different! Fun Paper Friday See how to get data from natural drones and download it via USBee in this week's Fun Paper! Iyer, Vikram, et al. "Living IoT: A flying wireless platform on live insects." The 25th Annual International Conference on Mobile Computing and Networking. 2019. Contact us: Show Support us on Patreon! www.dontpanicgeocast....

Episode 243 - "I want four awesome seasons" 02.03.2020

This week we interview Dr. Eric Kelsey about winter precipitation and his ventures into open-source hardware! Dr. Kelsey's Plymouth Page Mt. Washington Observatory Fun Paper Friday Weimerskirch, Henri, et al. "Ocean sentinel albatrosses locate illegal vessels and provide the first estimate of the extent of nondeclared fishing." Proceedings of the National Academy of Sciences 117.6 (2020): 3006-301...

Episode 242 - "I'm a taxi driver for my students" Dr. Alison Nugent 15.02.2020

This week Dr. Alison Nugent joins us to talk about giant cloud condensation nuclei and life as an assistant professor of atmospheric science in Hawaii. Alison's Website Facebook: @Dr. AlisonNugent Instagram: cloudyday24 Fun Paper Friday Hinners, Paige, Madison Thomas, and Young Jin Lee. "Determining fingerprint age with mass spectrometry imaging via ozonolysis of triacylglycerols." Analytical Chem...

Episode 241 - "This circle is full of paleomagnetists" 08.02.2020

This week we talk about rain, freezing rain, sleet, and snow in the follow up to the winter storm that hit the plains this week. Why do these occur? Find out! Fun Paper Friday Neuroskeptic. "The nine circles of scientific hell." Perspectives on Psychological Science 7.6 (2012): 643-644. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo show@dontpanicgeocast...

Episode 240 - "Half a Unicorn" 01.02.2020

This week it's all about aquifers and how they work! Water does not sit in lakes underground, but truth is stranger than fiction. Fun Paper Friday Upper, Dennis. "The unsuccessful self-treatment of a case of “writer's block”." Journal of applied behavior analysis 7.3 (1974): 497. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo show@dontpanicgeocast.com Jo...

Episode 239 - "I went to Cheers" and other AMS stories 25.01.2020

This week John recaps his trip to AMS and Shannon teases a show on her field work! Find AMS talks here TORUS project WX Symbols NCAR Dropsonde Tim's Cowbell Video Fun Paper Friday This week it's a meaty subject! Cole, James. "Assessing the calorific significance of episodes of human cannibalism in the Palaeolithic." Scientific reports 7 (2017): 44707. Contact us: Show Support us on Patreon! www.do...

Episode 238 - "Big Long Honkies" 11.01.2020

What's that in the sky? A bird? A plane? No, it's a scary looking cloud! Find out what it was this week! Flammagenitus (with great chart at the bottom) Australia Pyrocumulus Kelvin Helmholtz Instability Lenticular Cloud Wired Article on Morning Glories Nacreous Clouds Noctilucent Clouds Arcus Clouds Mammatus Clouds Fun Paper Friday Hart, Vlastimil, et al. "Dogs are sensitive to small variations of...

Episode 237 - "Just archive it" New Years! 04.01.2020

This week we go over the last year and discuss our plans for 2020 before diving into a discussion on pupil shapes in various animals. Don't miss it! Fun Paper Friday Banks, Martin S., et al. "Why do animal eyes have pupils of different shapes?." Science advances 1.7 (2015): e1500391. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo show@dontpanicgeocast.co...

Episode 236 - "Crop circles of geology" 20.12.2019

This week we finish up talking about deserts with some of our favorite features - dunes, ventifacts, and more! Sailing Stones Ventifact Dunes Fun Paper Friday How can math and physics "improve" hunting a lion? Pétard, H. "A contribution to the mathematical theory of big game hunting." Amer. Math. Monthly 45 (1938): 446-447. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Sla...

Episode 235 - "That's how the arches formed" 14.12.2019

This week we stick to a dry subject - deserts! Learn about how rocks weather in a place where there isn't much. Peltier diagram on weathering Desert Varnish Rock Exfoliation Video Fun Paper Friday What if the Earth were replaced with blueberries? Sandberg, Anders. "Blueberry Earth." arXiv preprint arXiv:1807.10553 (2018). Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack...

Episode 234 - "That's what they're called" 07.12.2019

Deserts - hot and dry right? Wrong! There's so much more to them! Fun Paper Friday Synthetic Uranus? Magnetic Fields? Learn more in this week's fun paper. Chau, Ricky, Sebastien Hamel, and William J. Nellis. "Chemical processes in the deep interior of Uranus." Nature communications 2 (2011): 203. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo show@dontpa...

Episode 233 - "I'm out - I took linear algebra" Stereonets 01.12.2019

This week we talk about the dreaded stereonet and why it's useful and somewhat... odd. Great Stereonet Video Series On Teaching Stereonets Visible Geology Fun Paper Friday What's the best way to make a uniform crepe or pancake? Find out with just a bit of math! Boujo, E., and M. Sellier. "Pancake making and surface coating: optimal control of a gravity-driven liquid film." Physical Review Fluids 4...

Episode 232 - "Mostly we went camping" 23.11.2019

This week we talk about how YOU can contribute to science with citizen science efforts and what it takes to make a successful citizen science project. SETI@Home Pl@ntNet BioBlitz OK BioBlitz urad Monitor Bud Burst Fun Paper Friday How to run a successful citizen science project Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo show@dontpanicgeocast.com John...

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