Don't Panic Geocast
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.
Episode 429 - "Summer Shorts" GPR
This week we talk about GPR or ground penetrating radar as Shannon considers buying one and asks what to look for. Fun Paper Friday Do trees glow before lightning strikes? McFarland, P. J., et al. "Corona discharges glow on trees under thunderstorms." Geophysical Research Letters 53.4 (2026): e2025GL119591. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin
May 29
48 min
428: Episode 428 - "Pedagogical Gold"
This week we talk about how you should approach an outcrop in the field for the first time. What do you look for? What kind of notes do you take? This and more field camp tips plus a discussion about the rheology of pasta sauce. Fun Paper Friday Busiello, Daniel Maria, Vincenzo Maria Schimmenti, and Ivan Di Terlizzi. "Physical properties of a perfect pasta sauce." Physics Today 2026 (2026). Contact us: Show Support us on Patreon! www.dontpanicgeocast.com @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin
May 15
56 min
Episode 427 - "Feeding Tubes Yo!"
This week we help a listener identify their bizarre fossil - and it's a trace fossil! Learn all about it and find out if you'd remember more if we were funnier! Trace Fossil Dictionary Shannon’s Favorite Trackway Asterosoma Fun Paper Friday Would you remember more about science if your teachers presented it in a funny way? Frank, Alexandra L., et al. "Wit meets wisdom: the relationship between satire and anthropomorphic humor on scientists' likability and legitimacy." Journal of Science Communication 24.1 (2025): A04.
Mar 28
58 min
Episode 426 - "Hard K Sound is Hilarious"
This week, we continue to talk about temperature with a discussion of temperature scales, where they came from, and why there are so many! Fun Paper Friday Kaiser, Caspar, and Andrew J. Oswald. "The scientific value of numerical measures of human feelings." Proceedings of the National Academy of Sciences 119.42 (2022): e2210412119. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin
Mar 13
42 min
Episode 425 - "How jiggly are your bits?"
What is temperature? Why do we care? Where did all of these temperature scales come from? This week, we find out! Fun Paper Friday Di Lorenzo, Emilia, et al. "Periodic cooking of eggs." Communications Engineering 4.1 (2025): 1-10. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin
Feb 6
58 min
Episode 424 - "Aunt Betty" Liquefaction
This week it's all about liquefaction as we explore why some caskets are above ground and how some cars get half way buried. Flame Structure Sand Boil Quicksand Fun Paper Friday Can creatively shaped pasta fold itself when cooked? Tao, Ye, et al. "Morphing pasta and beyond." Science Advances 7.19 (2021): eabf4098. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin
Jan 30
46 min
Episode 423 - "The rumors of our death"
We are back after a very challenging 2025 but don't panic - there is a plan! Fun Paper Friday Taloni, Andrea, Vincenzo Scorcia, and Giuseppe Giannaccare. "Large language model advanced data analysis abuse to create a fake data set in medical research." JAMA ophthalmology 141.12 (2023): 1174-1175. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin
Jan 10
1 hr 1 min
Episode 422 - "Melissa"
We're still here - it has just been a very difficult time, but this week we're talking about Hurricane Melissa and Halloween Candy! Hurricane Melissa Video Inside the Hurricane Fun Paper Friday Trick or Treat! Maybe it should be Treat or Toy? Find out in this week's Fun Paper! Schwartz, Marlene B., Eunice Y. Chen, and Kelly D. Brownell. "Trick, treat, or toy: children are just as likely to choose toys as candy on Halloween." Journal of nutrition education and behavior 35.4 (2003): 207-209. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin
Nov 7, 2025
46 min
Episode 421 - "Come work for you"
This week, we chat about our GEARS workshop that recently wrapped up, how it has evolved, and how it went! GEARS Workshop Fun Paper Friday Hejnol, Andreas, and Mark Q. Martindale. "The mouth, the anus, and the blastopore—open questions about questionable openings." Animal Evolution: Genomes, Fossils, and Trees (2009): 33-40. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin
Sep 19, 2025
1 hr 6 min
Episode 420 - "Tourist Destination" Kamchatka Earthquake
This week we are back and discussing the recent large earthquake in Russia! Fun Paper Friday Is that viral video of a fault rupture form a security camera real? This paper checks it out. Kearse, Jesse, and Yoshihiro Kaneko. "Curved Fault Slip Captured by CCTV Video During the 2025 M w 7.7 Myanmar Earthquake." The Seismic Record 5.3 (2025): 281-288. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin
Sep 6, 2025
46 min
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