Don't Panic Geocast
John Leeman and Shannon Dulin
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Recent Episodes
Episode 430 - "I am being ambushed"
This week John and Shannon discuss the book "Slow Productivity", our other summer reading lists, and if swearing makes your exercise sessions better. Fun Paper Friday Jiannine, Lia, and Jose…
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.…
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…
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…
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.…
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."…
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…
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…
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…
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,…
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,…
Episode 419 - "Diamonds Everywhere" A States
We're hitting the open road — geologically speaking. This episode kicks off our new state-by-state series covering the most fascinating, scenic, or just plain weird geologic stops in the U.S. We’re…
Episode 418 - "I like the crystal habit"
What makes a mineral a favorite? In this fun and down-to-earth episode, John and Shannon swap stories about the minerals they love most — and why. Along the way, they unpack cool crystal habits,…
Episode 417 - "Who are you?"
We're back from summer break - Shannon taught field camp, John travelled for work and got hailed on, and more! John’s Hail Storm Fun Paper Friday How does modern AI stack up against a cognition…
Episode 416 - "Life is a Physics Exam"
This week we talk about how we power our instruments in the field and all of the weird and wonderful ways they fail. Including getting turned into charcoal by lightning! Fun Paper Friday Why does…
Episode 415 - "Fiat 500 Volcanic Bomb"
This week we talk hail, Vesuvius, volcanic bombs, and vitrified brains. Scandone, Roberto, Lisetta Giacomelli, and Mauro Rosi. "Death, Survival and Damage during the 79 AD Eruption of Vesuvius…
Episode 414 - "Closed Because of Landslide"
Shannon's class took a trip to study catestrophic sedimentation... and they found it! John switched back to a Mac after 5 years. Join us for these and other exciting updates! Fun Paper Friday Find…
Episode 413 - "Waterfalls I Have Loved"
Turner Falls, Oklahoma A rare waterfall that grows outward due to travertine deposition instead of eroding backward. Formed by spring-fed Honey Creek flowing through Ordovician limestone,…
Episode 412 - "Unpopular Flavor of Capri Sun"
This week we talk about snow forecasting as the winter season starts to wrap up and try to figure out if you're really happier in the morning or not! Fun Paper…
Episode 411 - "TSA Does Not Care About Your Data "
Ever wondered how geologists figure out when a landslide happened? Or how ancient river terraces and glacial deposits get dated? This week, we dive into the detective work behind dating geomorphic…
Frequently Asked Questions
Don't Panic Geocast has published 432 episodes since January 2015, covering topics in Education, Natural Sciences.
Don't Panic Geocast is currently highly active with new episodes weekly. Average episode length is 51m.
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