

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.
Episodes
Mentioned books

May 22, 2021 • 53min
Episode 291 - "Haven't you seen Dante's Peak?"
Mt. St. Helens was a huge event in 1980. This week, 41 years later, we discuss the events leading up to the eruption and what happened!
Fun Paper Friday
*Turpin, Martin Harry, et al. "Bullsh!? Ability as an Honest Signal of Intelligence." Evolutionary Psychology 19.2 (2021): 14747049211000317.
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Shannon Dulin
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May 15, 2021 • 51min
Episode 290 - "COAL!"
This week it's all about coal - what is it, where did it form, and how do we use it!
Fun Paper Friday
Can seismometers be used to spy on industrial processes?
Guenaga, David L., et al. "Seismically Detecting Nuclear Reactor Operations Using a Power Spectral Density (PSD) Misfit Detector." Bulletin of the Seismological Society of America (2021).
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Shannon Dulin
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May 1, 2021 • 39min
Episode 289 - "Soil Teapot"
How do geysers work? Learn more this week!
Old Faithful
Fun Paper Friday
The title says it all in this week's Fun Paper!
Wang, Lu, Zdenek Sofer, and Martin Pumera. "Will any crap we put into graphene increase its electrocatalytic effect?." ACS nano 14.1 (2020): 21-25.
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Shannon Dulin
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Apr 16, 2021 • 51min
Episode 288 - "95% Chance of Chert" Mineral Identification
How do you identify a mineral? We talk about our favorite ways to identify minerals!
Fun Paper Friday
How does heavy water taste? Will it kill you? Find out by reading this week's Fun Paper Friday!
Abu, Natalie Ben, et al. "Sweet taste of heavy water." Communications Biology 4.1 (2021): 1-10.
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Shannon Dulin
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Apr 10, 2021 • 56min
Episode 287 - "Cartoonist in Word Form" Gary McManus
Gary McManus joins us to talk about state climatology and extremes in Oklahoma!
Gary
Mesonet
Fun Paper Friday
Hurricanes in space? It's raining electrons in this week's fun paper Friday!
Zhang, Qing-He, et al. "A space hurricane over the Earth’s polar ionosphere." Nature communications 12.1 (2021): 1-10.
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Shannon Dulin
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Apr 3, 2021 • 1h 9min
Episode 286 - "Big Sandbox for Adults" Maciej Obryk, Kate Allstadt, Thomas Rapstine
Thanks to Dr. Maciej Obryk, Dr. Kate Allstadt, and Dr. Thomas Rapstine for joining us to talk about the USGS experimental flume!
Flume Experiment Videos
Dr. Maciej Obryk
Dr. Kate Allstadt
Dr. Thomas Rapstine
Fun Paper Friday
This week we see how an undergarment can become a lifesaving bit of technology.
EBbra
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Shannon Dulin
@ShannonDulin

Mar 26, 2021 • 1h 4min
Episode 285 - "We're not going to tell you how to make it" Geology Field Kit
Field Kit
Sokkia Notebook
Holster/Backpack
Handlens
Hammer
Belt
Pocket Transit
Gilson Grain Size Card
Acid Bottle
Pocket Knife
Pencils/Lead
Protractor Ruler Combo
Streak Plate
Mohs Picks
Fun Paper Friday
What can we learn about the Earth's magnetic field from tree rings?
Cooper, Alan, et al. "A global environmental crisis 42,000 years ago." Science 371.6531 (2021): 811-818.
Science Mag Article
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Shannon Dulin
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Mar 20, 2021 • 58min
Episode 284 - "Dijon or Yellow" Geomajik Box
What's in the box?
Geophones
Load Cell
Resistivity Setup
Color
Magnetometer
Accelerometer
Turbidity Sensor
Water Velocity Sensor
Fun Paper Friday
What happens when no AI research can be reproduced? Any angry site to shame those authors!
One researcher’s mission to encourage reproducibility in machine learning
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John Leeman
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Shannon Dulin
@ShannonDulin

Mar 7, 2021 • 49min
Episode 283 - "There are spectrograms"
This week we talk about flow regimes in streams, more bedforms, and then wrap it up with a discussion of what crocodiles sound like after breathing helium!
Fun Paper Friday
Thanks to listener Teresa for this week's fun paper!
Reber, Stephan A., et al. "A Chinese alligator in heliox: formant frequencies in a crocodilian." Journal of Experimental Biology 218.15 (2015): 2442-2447.
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John Leeman
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Shannon Dulin
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Mar 2, 2021 • 52min
Episode 282 - "Antidunes"
This week we talk all about sediment bedforms and everyone's favorite - antidunes! Watch John's Flume Experiments from 11 years ago Froude Number Fun Paper Friday Smarandache, Florentin. Funny Problems. Infinite Study, 2000. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo show@dontpanicgeocast.com John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin