Don't Panic Geocast

John Leeman and Shannon Dulin
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Mar 5, 2022 • 46min

Episode 321 - "Big Peas"

John and Shannon are tired of the wintery mix weather they've been getting, but at least now we understand what makes it! We also introduce the term "heated fellowship" and talk about if packs of wolves should be introduced to reduce road kill incidents. Fun Paper Friday Are wolves the solution to a deer problem? Raynor, Jennifer L., Corbett A. Grainger, and Dominic P. Parker. "Wolves make roadways safer, generating large economic returns to predator conservation." Proceedings of the National Academy of Sciences 118.22 (2021). 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
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Feb 18, 2022 • 43min

Episode 320 - "Hunga Tonga"

The Hunga Tonga eruption is one of the largest eruptions observed with modern equipment. This week we'll dig into what happened, how it was observed, and what we think is next for the island chain. Fun Paper Friday In line with the show (for once!) we look at shock waves on Mars... or lack thereof. Fernando, Benjamin, et al. "Questions to Heaven." Astronomy & Geophysics 62.LA-UR-21-31668 (2021). 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
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Feb 12, 2022 • 46min

Episode 319 - "Ions in Solution"

This week it's all about chemistry, not something we say often! We chat chemical weathering and exactly what all those ions mean. Fun Paper Friday Leibring, Katharina. "Names of companion animals: Rovers in the onomasticon?." 25th International Congress of Onomastic Sciences, Glasgow 25-29 Aug, 2014. Vol. 5. University of Glasgow, 2016. 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
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Feb 5, 2022 • 52min

Episode 318 - "Sandstones are Forever"

Weathering is what breaks the Earth down so it can be recycled, this week we dive into the mechanical methods of weathering the surface. Fun Paper Friday What feedbacks can penguin poo have on glaciers? Wang, Peiyan, et al. "Combined effects of glacial retreat and penguin activity on soil greenhouse gas fluxes on South Georgia, sub-Antarctica." Science of The Total Environment 718 (2020): 135255. 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
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Jan 29, 2022 • 59min

Episode 317 - "Is your tinfoil hat the same as mine?"

There are lots of rumored precursors to earthquakes - everything from dogs acting strange to flashes of light in the sky. This week we take a look at a few of these and discuss how possible or impossible they may be. Flashbulb Memory Effect Earthquake Lights Animal Behavior Temperature Changes Gas Emissions Electromagnetic Changes Fun Paper Friday What is hip? When will it be hip again? Will Shannon and John stop saying hip? Golman, Russell, Aditi Jain, and Sonica Saraf. "Hipsters and the Cool: A Game Theoretic Analysis of Social Identity, Trends and Fads." arXiv preprint arXiv:1910.13385 (2019). 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
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Jan 15, 2022 • 52min

Episode 316 - "A centimeter is good enough"

This week we dive into differential GPS and WAAS - how we can tell exactly where we are on the planet. WAAS Differential GPS Sparkfun Facet Fun Paper Friday What can we learn from a glowing jellyfish brain? Turns out, quite a bit! Phys.org article Weissbourd, Brandon, et al. "A genetically tractable jellyfish model for systems and evolutionary neuroscience." Cell 184.24 (2021): 5854-5868. 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
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Jan 7, 2022 • 50min

Episode 315 - "Tombstones"

Glaciers are huge, weird, and complex systems. This week we talk about some weird glacial terminology and we jump the frog with this fun paper. Moulin Serac Weertman Tombstone Jökulhlaup Fun Paper Friday Astley, Henry C., et al. "Chasing maximal performance: a cautionary tale from the celebrated jumping frogs of Calaveras County." Journal of Experimental Biology 216.21 (2013): 3947-3953. 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
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Jan 1, 2022 • 1h 7min

Episode 314 - "We Did Pretty Good"

How did you do on your 2021 resolutions? What are you going to do in 2022? John More smaller, allowed breaks Focus and completion of tasks Hit the Gym Get an IFR rating Be less reactive when appropriate Shannon say NO even more! Make a priority of staying within my boundaries (70/15/15) publish the rest of my dissertation (2 articles) make my webpage(s) and keep them updated Fun Paper Friday Marlow, Robin, and Dora Wood. "Ghost in the machine or monkey with a typewriter—generating titles for Christmas research articles in The BMJ using artificial intelligence: observational study." bmj 375 (2021). 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
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Dec 24, 2021 • 47min

Episode 313 - "Starts with Dyson"

Dyson Sphere Space Mirrors Nuke Mars Fun Paper Friday Did you get your beauty sleep? If not, others can probably tell! Axelsson, John, et al. "Beauty sleep: experimental study on the perceived health and attractiveness of sleep deprived people." Bmj 341 (2010). 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
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Dec 10, 2021 • 49min

Episode 312 - "Atmospheric Deodorant"

This week John and Shannon talk about ways we could use engineering to save or destroy the planet. Stratospheric Injection Ocean Fertilization Increased Weathering Fun Paper Friday When it comes to doing dumb things - are men more likley to participate than women? Lendrem, Ben Alexander Daniel, et al. "The Darwin Awards: sex differences in idiotic behaviour." Bmj 349 (2014). 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

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