Don't Panic Geocast

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). (https://academic.oup.com/astrogeo/article/62/6/6.22/6428174) Contact us: Show Support us on Patreon! (https://www.patreon.com/dontpanicgeo) www.dontpanicgeocast.com (http://www.dontpanicgeocast.com) SWUNG Slack (https://softwareunderground.org) @dontpanicgeo (https://twitter.com/dontpanicgeo) show@dontpanicgeocast.com John Leeman - www.johnrleeman.com (http://www.johnrleeman.com) - @geo_leeman (https://twitter.com/geo_leeman) Shannon Dulin - @ShannonDulin (https://twitter.com/ShannonDulin)

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. (https://www.diva-portal.org/smash/get/diva2:1558609/FULLTEXT01.pdf) Contact us: Show Support us on Patreon! (https://www.patreon.com/dontpanicgeo) www.dontpanicgeocast.com (http://www.dontpanicgeocast.com) SWUNG Slack (https://softwareunderground.org) @dontpanicgeo (https://twitter.com/dontpanicgeo) show@dontpanicgeocast.com John Leeman - www.johnrleeman.com (http://www.johnrleeman.com) - @geo_leeman (https://twitter.com/geo_leeman) Shannon Dulin - @ShannonDulin (https://twitter.com/ShannonDulin)

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. (https://www.sciencedirect.com/science/article/abs/pii/S0048969719352477) Contact us: Show Support us on Patreon! (https://www.patreon.com/dontpanicgeo) www.dontpanicgeocast.com (http://www.dontpanicgeocast.com) SWUNG Slack (https://softwareunderground.org) @dontpanicgeo (https://twitter.com/dontpanicgeo) show@dontpanicgeocast.com John Leeman - www.johnrleeman.com (http://www.johnrleeman.com) - @geo_leeman (https://twitter.com/geo_leeman) Shannon Dulin - @ShannonDulin (https://twitter.com/ShannonDulin)

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). (https://arxiv.org/abs/1910.13385#:~:text=29%20Oct%202019%5D-,Hipsters%20and%20the%20Cool%3A%20A%20Game%20Theoretic%20Analysis,Social%20Identity%2C%20Trends%20and%20Fads&text=We%20propose%20a%20theory%20of,neighbors%20in%20a%20social%20network) Contact us: Show Support us on Patreon! (https://www.patreon.com/dontpanicgeo) www.dontpanicgeocast.com (http://www.dontpanicgeocast.com) SWUNG Slack (https://softwareundergro

This week we dive into differential GPS and WAAS - how we can tell exactly where we are on the planet. WAAS (https://www.faa.gov/about/office_org/headquarters_offices/ato/service_units/techops/navservices/gnss/waas) Differential GPS (https://www.esri.com/news/arcuser/0103/differential1of2.html) Sparkfun Facet (https://www.sparkfun.com/products/19029) Fun Paper Friday What can we learn from a glowing jellyfish brain? Turns out, quite a bit! Phys.org article (https://phys.org/news/2021-11-jellyfish-mind.html) Weissbourd, Brandon, et al. "A genetically tractable jellyfish model for systems and evolutionary neuroscience." Cell 184.24 (2021): 5854-5868. (https://www.sciencedirect.com/science/article/abs/pii/S0092867421012691) Contact us: Show Support us on Patreon! (https://www.patreon.com/dontpanicgeo) www.dontpanicgeocast.com (http://www.dontpanicgeocast.com) SWUNG Slack (https://softwareunderground.org) @dontpanicgeo (https://twitter.com/dontpanicgeo) show@dontpanicgeocast.com John Leeman - www.johnrleeman.com

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. (https://journals.biologists.com/jeb/article/216/21/3947/11669/Chasing-maximal-performance-a-cautionary-tale-from) Contact us: Show Support us on Patreon! (https://www.patreon.com/dontpanicgeo) www.dontpanicgeocast.com (http://www.dontpanicgeocast.com) SWUNG Slack (https://softwareunderground.org) @dontpanicgeo (https://twitter.com/dontpanicgeo) show@dontpanicgeocast.com John Leeman - www.johnrleeman.com (http://www.johnrleeman.com) - @geo_leeman (https://twitter.com/geo_leeman) Shannon Dulin - @ShannonDulin (https://twitter.com/ShannonDulin)

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). (https://www.bmj.com/content/bmj/375/bmj-2021-067732.full.pdf) Contact us: Show Support us on Patreon! (https://www.patreon.com/dontpanicgeo) www.dontpanicgeocast.com (http://www.dontpanicgeocast.com) SWUNG Slack (https://softwareunderground.org) @dontpanicgeo (https://twitter.com/dontpanicgeo) show@dontpanicgeocast.com John Leeman - www.johnrleeman.com (http://www.johnrleeman.com) - @geo_leeman (https://twitter.com

Dyson Sphere (https://en.wikipedia.org/wiki/Dyson_sphere) Space Mirrors (https://en.wikipedia.org/wiki/Space_mirror_(climate_engineering)) Nuke Mars (https://www.space.com/elon-musk-nuke-mars-terraforming.html) 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). (https://www.bmj.com/content/341/bmj.c6614.short) Contact us: Show Support us on Patreon! (https://www.patreon.com/dontpanicgeo) www.dontpanicgeocast.com (http://www.dontpanicgeocast.com) SWUNG Slack (https://softwareunderground.org) @dontpanicgeo (https://twitter.com/dontpanicgeo) show@dontpanicgeocast.com John Leeman - www.johnrleeman.com (http://www.johnrleeman.com) - @geo_leeman (https://twitter.com/geo_leeman) Shannon Dulin - @ShannonDulin (https://twitter.com/ShannonDulin)

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). (https://www.bmj.com/content/349/bmj.g7094) Contact us: Show Support us on Patreon! (https://www.patreon.com/dontpanicgeo) www.dontpanicgeocast.com (http://www.dontpanicgeocast.com) SWUNG Slack (https://softwareunderground.org) @dontpanicgeo (https://twitter.com/dontpanicgeo) show@dontpanicgeocast.com John Leeman - www.johnrleeman.com (http://www.johnrleeman.com) - @geo_leeman (https://twitter.com/geo_leeman) Shannon Dulin - @ShannonDulin (https://twitter.com/ShannonDulin)

This week learn how to make strat columns based on the magnetic direction of rocks! It's time to learn about magnetostratigraphy. Magnetostratigraphy (https://en.wikipedia.org/wiki/Magnetostratigraphy) Fun Paper Friday How did the human hand evolve? These authors make no bones about it. Press Release (https://www.kent.ac.uk/news/society/18688/eating-bone-marrow-played-a-key-role-in-the-evolution-of-the-human-hand) Williams-Hatala, Erin Marie, et al. "The manual pressures of stone tool behaviors and their implications for the evolution of the human hand." Journal of Human Evolution 119 (2018): 14-26. (https://www.sciencedirect.com/science/article/abs/pii/S0047248417303597?via%3Dihub#!) Contact us: Show Support us on Patreon! (https://www.patreon.com/dontpanicgeo) www.dontpanicgeocast.com (http://www.dontpanicgeocast.com) SWUNG Slack (https://softwareunderground.org) @dontpanicgeo (https://twitter.com/dontpanicgeo) show@dontpanicgeocast.com John Leeman - www.johnrleeman.com (http://www.johnrleeman.com) - @geo_l

Canyonlands National Park is a beautiful and large display of sedimentary processes, impacts, and more. Learn about the features of this park and how they got there in this week's show! ASU Virtual Field Trip (https://vft.asu.edu/VFTUpheavalDome/panos/UpheavalDome2020/UpheavalDome.html) Paul Bunyan's Potty (https://utahscanyoncountry.wordpress.com/2010/12/11/paul-bunyans-potty-tower-ruin-canyonlands-national-park/) Fun Paper Friday What if your dog could call you? Would they? Once scientist dared to ask the question. Hirskyj-Douglas, Ilyena, Roosa Piitulainen, and Andrés Lucero. "Forming the Dog Internet: Prototyping a Dog-to-Human Video Call Device." Proceedings of the ACM on Human-Computer Interaction 5.ISS (2021): 1-20. (https://dl.acm.org/doi/pdf/10.1145/3488539) Contact us: Show Support us on Patreon! (https://www.patreon.com/dontpanicgeo) www.dontpanicgeocast.com (http://www.dontpanicgeocast.com) SWUNG Slack (https://softwareunderground.org) @dontpanicgeo (https://twitter.com/dontpanicgeo) show@dontpani

A recent publication tried to determine if strange folded glasses found in the Atacama Desert formed by an extraterrestrial process. Turns out, mineraology and microscopy hold the key! Schultz, Peter H., et al. "Widespread glasses generated by cometary fireballs during the late Pleistocene in the Atacama Desert, Chile." Geology (2021). (https://pubs.geoscienceworld.org/gsa/geology/article-pdf/doi/10.1130/G49426.1/5456021/g49426.pdf) Fun Paper Friday Can chicken de-feathering be used as a wind speed proxy? Some old experiments might shed some light on the subject. Vonnegut, Bernard. "Chicken Plucking as Measure of Tornado Wind Speed." Weatherwise 28.5 (1975): 217-217. (https://www.tandfonline.com/doi/abs/10.1080/00431672.1975.9931768?journalCode=vwws20) Contact us: Show Support us on Patreon! (https://www.patreon.com/dontpanicgeo) www.dontpanicgeocast.com (http://www.dontpanicgeocast.com) SWUNG Slack (https://softwareunderground.org) @dontpanicgeo (https://twitter.com/dontpanicgeo) show@dontpanicgeocast.com J

This week John and Shannon discuss sedimentary rocks and what holds them together. Cements can be made of many different materials and don't change the name of the rock! Fun Paper Friday What can we learn from ducks drafting while swimming? Yuan, Zhi-Ming, et al. "Wave-riding and wave-passing by ducklings in formation swimming." Journal of Fluid Mechanics 928 (2021). (https://www.cambridge.org/core/journals/journal-of-fluid-mechanics/article/waveriding-and-wavepassing-by-ducklings-in-formation-swimming/94759A0FF7070D9D7CAC5907594B1781) Contact us: Show Support us on Patreon! (https://www.patreon.com/dontpanicgeo) www.dontpanicgeocast.com (http://www.dontpanicgeocast.com) SWUNG Slack (https://softwareunderground.org) @dontpanicgeo (https://twitter.com/dontpanicgeo) show@dontpanicgeocast.com John Leeman - www.johnrleeman.com (http://www.johnrleeman.com) - @geo_leeman (https://twitter.com/geo_leeman) Shannon Dulin - @ShannonDulin (https://twitter.com/ShannonDulin)

Weather balloons are one of the few ways to really get in-situ atmospheric measurements. John was over in Norman, OK working on a new balloon borne instrument. We talk about what all is involved in a launch! Launch Video (https://youtu.be/1bMu8VVpK50) Fun Papery Friday What do shark intestines have to do with the inventor of the AC motor? Find out! Leigh, Samantha C., et al. "Shark spiral intestines may operate as Tesla valves." Proceedings of the Royal Society B 288.1955 (2021): 20211359. (https://german.bio.uci.edu/images/PDF/Leigh%20et%20al.%20(2021)%20PRSB_online.pdf) Contact us: Show Support us on Patreon! (https://www.patreon.com/dontpanicgeo) www.dontpanicgeocast.com (http://www.dontpanicgeocast.com) SWUNG Slack (https://softwareunderground.org) @dontpanicgeo (https://twitter.com/dontpanicgeo) show@dontpanicgeocast.com John Leeman - www.johnrleeman.com (http://www.johnrleeman.com) - @geo_leeman (https://twitter.com/geo_leeman) Shannon Dulin - @ShannonDulin (https://twitter.com/ShannonDulin)

What happens when the Earth is drastically warmer than it is now? How can it get that way? Join us to learn about the PETM and what it could mean for our future. Fun Paper Friday Can the Drake equation be applied to love? One author thinks so! Link is to a video of a talk on the paper - the original PDF seems to have disappeared from the university website. Backus, P. (2009). Why I don’t have a girlfriend: An application of the Drake Equation to love in the UK. (https://www.youtube.com/watch?v=ClPPSry8bBw) Contact us: Show Support us on Patreon! (https://www.patreon.com/dontpanicgeo) www.dontpanicgeocast.com (http://www.dontpanicgeocast.com) SWUNG Slack (https://softwareunderground.org) @dontpanicgeo (https://twitter.com/dontpanicgeo) show@dontpanicgeocast.com John Leeman - www.johnrleeman.com (http://www.johnrleeman.com) - @geo_leeman (https://twitter.com/geo_leeman) Shannon Dulin - @ShannonDulin (https://twitter.com/ShannonDulin)

Trovants are a mysterious rock formation and we try to understand them this week! Science Alert Article (https://www.sciencealert.com/these-strange-bulging-geological-manifestations-loom-over-romania) When on Earth Article (https://whenonearth.net/trovants-growing-stones-romania/) Wikipedia Article (https://ro.wikipedia.org/wiki/Trovant) Geology In Article (https://www.geologyin.com/2018/04/the-mysterious-living-stones-of-romania.html) Fun Paper Friday Tired of zoom meetings? Let's read a paper about them! Shockley, Kristen M., et al. "The fatiguing effects of camera use in virtual meetings: A within-person field experiment." Journal of Applied Psychology 106.8 (2021): 1137. (https://psycnet.apa.org/record/2021-77825-003) Contact us: Show Support us on Patreon! (https://www.patreon.com/dontpanicgeo) www.dontpanicgeocast.com (http://www.dontpanicgeocast.com) SWUNG Slack (https://softwareunderground.org) @dontpanicgeo (https://twitter.com/dontpanicgeo) show@dontpanicgeocast.com John Leeman - www.johnrleeman.com

Andy Elwood-Madden (http://nanogeochem.oucreate.com/) X-Ray Diffraction (https://en.wikipedia.org/wiki/X-ray_crystallography) Reynolds Cup (https://www.xrayminerals.co.uk/en/about-us/reynolds-cup/) Fun Paper Friday How many legs does it take to freak you out? Vetter, Richard S. "Arachnophobic entomologists: when two more legs makes a big difference." American Entomologist 59.3 (2013): 168-175. (https://academic.oup.com/ae/article/59/3/168/6813) Contact us: Show Support us on Patreon! (https://www.patreon.com/dontpanicgeo) www.dontpanicgeocast.com (http://www.dontpanicgeocast.com) SWUNG Slack (https://softwareunderground.org) @dontpanicgeo (https://twitter.com/dontpanicgeo) show@dontpanicgeocast.com John Leeman - www.johnrleeman.com (http://www.johnrleeman.com) - @geo_leeman (https://twitter.com/geo_leeman) Shannon Dulin - @ShannonDulin (https://twitter.com/ShannonDulin)

Keeping instruments safe in the field in hard. This week John talks about his favorite disguise for instruments and telemetry. Fun Paper Friday Can a photo and some machine learning predict how corrupt you are as a politician? Blavatskyy, Pavlo. "Obesity of politicians and corruption in post‐Soviet countries." Economics of Transition and Institutional Change 29.2 (2021): 343-356. (https://onlinelibrary.wiley.com/doi/epdf/10.1111/ecot.12259) Contact us: Show Support us on Patreon! (https://www.patreon.com/dontpanicgeo) www.dontpanicgeocast.com (http://www.dontpanicgeocast.com) SWUNG Slack (https://softwareunderground.org) @dontpanicgeo (https://twitter.com/dontpanicgeo) show@dontpanicgeocast.com John Leeman - www.johnrleeman.com (http://www.johnrleeman.com) - @geo_leeman (https://twitter.com/geo_leeman) Shannon Dulin - @ShannonDulin (https://twitter.com/ShannonDulin)

Getting power to things in the field is difficult and more complex than you'd think. This week we discuss a few of the many problems you are likely to face and ways we have fought them. Fun Paper Friday Reinventing the wheel happens a lot - but how often does it get published? This week we examine an example by looking at a paper that rediscovered the integral. Tai, Mary M. "A mathematical model for the determination of total area under glucose tolerance and other metabolic curves." Diabetes care 17.2 (1994): 152-154. (http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.831.4725&rep=rep1&type=pdf) Contact us: Show Support us on Patreon! (https://www.patreon.com/dontpanicgeo) www.dontpanicgeocast.com (http://www.dontpanicgeocast.com) SWUNG Slack (https://softwareunderground.org) @dontpanicgeo (https://twitter.com/dontpanicgeo) show@dontpanicgeocast.com John Leeman - www.johnrleeman.com (http://www.johnrleeman.com) - @geo_leeman (https://twitter.com/geo_leeman) Shannon Dulin - @ShannonDulin (https://twitte

Magnetism is a mysterious topic and it took a long time for us humans to understand just the basics. This week we look at the history of magnetism! Fun Paper Friday Can whale calls be useful for seismologists? Find out in this week's Fun Paper! Kuna, Václav M., and John L. Nábělek. "Seismic crustal imaging using fin whale songs." Science 371.6530 (2021): 731-735. (https://www.gwern.net/docs/technology/2021-kuna.pdf) Contact us: Show Support us on Patreon! (https://www.patreon.com/dontpanicgeo) www.dontpanicgeocast.com (http://www.dontpanicgeocast.com) SWUNG Slack (https://softwareunderground.org) @dontpanicgeo (https://twitter.com/dontpanicgeo) show@dontpanicgeocast.com John Leeman - www.johnrleeman.com (http://www.johnrleeman.com) - @geo_leeman (https://twitter.com/geo_leeman) Shannon Dulin - @ShannonDulin (https://twitter.com/ShannonDulin)