Don't Panic Geocast

By John Leeman and Shannon DulinScience Technology Education Natural Sciences

Don't Panic Geocast episodes

June 09, 2023Episode 365 - Salinity Crisis "Smoking Various Meats and WWII"
This week we talk about the Messinian Salinity Crisis and if your mom was right about cracking your knuckles.
Fun Paper Friday
Does cracking your knuckles destory your joints, improve joint health, or neither? Find out how one man has experiented on himself to find a potential answer.
Unger, Donald L. "Does knuckle cracking lead to arthritis of the fingers?." Arthritis & Rheumatism: Official Journal of the American College of Rheumatology 41.5 (1998): 949-950.
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Shannon Dulin
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40 min
May 13, 2023Episode 364 - Geology of War "I'm glad I listen to this podcast"
Join us as we explore how the intricate interplay between geology and military strategy has shaped history. We unravel the secrets behind the terrain's influence on battles, from its impact on troop movements to the potential for fortifications and natural defenses. Additionally, we investigate an intriguing question: What type of rock is the deadliest? We are astonished by the unexpected ways in which geology has played a pivotal role in shaping the destiny of nations in times of war.
Fun Paper Friday
Don't play with your food - unless it is to write a paper on fluid mechanics
*Mathijssen, Arnold JTM, et al. "Culinary fluid mechanics and other currents in food science." arXiv preprint arXiv:2201.12128 (2022).
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Shannon Dulin
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56 min
May 05, 2023Episode 363 - "National Natural Landmark"
In this episode of the Don't Panic Geocast podcast, we continue our exploration of the Ice Age National Scenic Trail, immersing ourselves in its stunning landscapes and geological wonders. From glacial features to ancient river valleys, each step along the trail reveals new marvels waiting to be discovered. In the "Fun Paper Friday" segment, we dive into the intriguing world of gas marbles, unraveling their peculiar properties and potential applications.
Fun Paper Friday
Roux, Aymeric, Alexis Duchesne, and Michael Baudoin. "Everlasting bubbles and liquid films resisting drainage, evaporation, and nuclei-induced bursting." Physical Review Fluids 7.1 (2022): L011601.
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Shannon Dulin
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53 min
April 28, 2023Episode 362 - "A lot of gray area in geology"
In this episode of the Don't Panic Geocast, we dive into the fascinating world of dolomite, a mineral that is commonly found in sedimentary rocks. They discuss the unique characteristics of dolomite and the different ways in which it is formed. We also highlight a fun paper on equine dietary preferences, which explores the food choices of horses in different environments. The paper reveals interesting insights into the feeding habits of horses and how they adapt to different conditions
Fun Paper Friday
Goodwin, Deborah, Pat Harris, and Nell Davidson. "Behaviour of stabled horses presented with foraging devices in mangers and buckets." (2005): 96.
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Shannon Dulin
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47 min
April 14, 2023Episode 361 - "No Ice Other than in Tea" Ice Age Trail Part 1
John and Shannon are embarrassed to learn about a "new" national park - the Ice Age National Scenic Trail!
Ice Age Trail
Fun Paper Friday
How can invisible creatures make their eyes invisible? What about their blood? What's going on in the ocean?
Feller, Kate, and Megan Porter. "Photonic tinkering in the open ocean." Science 379.6633 (2023): 643-644.
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John Leeman
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Shannon Dulin
@ShannonDulin
1 hr 2 min
April 07, 2023Episode 360 - "Third and Fourth Order Nonsense" Lane's Balance
This week we dive into rivers and what makes them erode, deposit, move and more using an engineering concept called Lane's balance.
River Dynamics Fact Sheet
Fun Paper Friday
Lasers, high speed cameras, lightning, radio observations, and electric fields. It doesn't get better than this!
Houard, Aurélien, et al. "Laser-guided lightning." Nature Photonics (2023): 1-5.
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Shannon Dulin
@ShannonDulin
44 min
March 18, 2023Episode 359 - "Standing Around Staring"
We've been off air for a bit due to a giant move! Find out more!
Fun Paper Friday
Have we been leaving more that footprints on Mt. Everest? What about other planets?
Humans are leaving behind a 'frozen signature' of microbes on Mount Everest
Nicholas B. Dragone, L. Baker Perry, Adam J. Solon, Anton Seimon, Tracie A. Seimon, Steven K. Schmidt. Genetic analysis of the frozen microbiome at 7900 m a.s.l., on the South Col of Sagarmatha (Mount Everest). Arctic, Antarctic, and Alpine Research, 2023; 55 (1) DOI: 10.1080/15230430.2023.2164999
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John Leeman
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Shannon Dulin
@ShannonDulin
38 min
February 24, 2023Episode 358 - "Put a pin in it" Surveillance Balloons
There's been a lot of buzz about the PRC surveillance balloon, so we unpack the history of using balloons for science and for military.
Fun Paper Friday
Thanks to listener Xavier for this disturbing fun paper on privacy and tech repair.
Ceci, Jason, Jonah Stegman, and Hassan Khan. "No Privacy in the Electronics Repair Industry." arXiv preprint arXiv:2211.05824 (2022).
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John Leeman
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Shannon Dulin
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58 min
February 10, 2023Episode 357 - "Looks like the iron throne"
Giant crystal in caves sounds more like a plot twist than a geological phenomena, but this week we learn how the Naica Mine crystals were formed!
Fun Paper Friday
Head, D., and T. Vanorio. "Effects of changes in rock microstructures on permeability: 3‐D printing investigation." Geophysical Research Letters 43.14 (2016): 7494-7502.
Standford News Article
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John Leeman
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Shannon Dulin
@ShannonDulin
43 min
February 03, 2023Episode 356 - "They'll find me laying in a graben"
This week we talk about basin and range topography, horsts, grabens, and more! Also how similar is your mouth bacteria to someone you kissed?
John McPhee Book
USGS Basin and Range Report
Fun Paper Friday
Kort, Remco, et al. "Shaping the oral microbiota through intimate kissing." Microbiome 2.1 (2014): 1-8.
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John Leeman
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Shannon Dulin
@ShannonDulin
39 min

About Don't Panic Geocast

From the publisher's feed

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.…