Don't Panic Geocast

What happens when rivers meet oceans? All kinds of fun sedimentary processes that build deltas. Learn more this week along with a discussion of one man's favorite boulders. Fun Paper Friday Beaty, Chester B. "Great big boulders I have known." Geology 17.4 (1989): 349-352. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

This week it's all about conglomerates. How do these sedimentary trash cans form and how can we classify them? Fun Paper Friday Turns out it may be difficult to estimate parasite population in poop, but that didn't stop this team! Krauth, Stefanie J., et al. "An in-depth analysis of a piece of s*@t: distribution of Schistosoma mansoni and hookworm eggs in human stool." PLoS neglected tropical diseases 6.12 (2012): e1969. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

Last week Shannon was out in the field taking samples in the area of the Colorado River. This week we find out what she was doing and the history of that region. Fun Paper Friday We have policies on making your data available to journal readers, but are they effective? Stodden, Victoria, Jennifer Seiler, and Zhaokun Ma. "An empirical analysis of journal policy effectiveness for computational reproducibility." Proceedings of the National Academy of Sciences 115.11 (2018): 2584-2589. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

This week it's all about hot spots and Hawaii! Loihi Emperor Seamount Chain HUGO Fun Paper Friday Does removing something take more brain power than adding something? Adams, Gabrielle S., et al. "People systematically overlook subtractive changes." Nature 592.7853 (2021): 258-261. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

What would we be doing in an alternate universe? We explore careers we almost took and how they relate to things we talk about all the time. Fun Paper Friday Electron Band Structure In Germanium, My Ass Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

LaTeX is a beautiful way to make documents, especially when they have lots of equations, tables, and more. This week we dive into how you too can talk TeX. Download MikTeX Fun Paper Friday Matsui, Takafumi, et al. "The manufacture and origin of the Tutankhamen meteoritic iron dagger." Meteoritics & Planetary Science (2022). ## Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

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 [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

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 [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @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. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @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. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @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). Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

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 [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

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 [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @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). Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

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 [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @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). Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

This week learn how to make strat columns based on the magnetic direction of rocks! It's time to learn about magnetostratigraphy. Magnetostratigraphy Fun Paper Friday How did the human hand evolve? These authors make no bones about it. Press Release 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. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

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 Paul Bunyan's Potty 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. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

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). 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. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

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). Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @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 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. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @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. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

Trovants are a mysterious rock formation and we try to understand them this week! Science Alert Article When on Earth Article Wikipedia Article Geology In Article 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. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

Andy Elwood-Madden X-Ray Diffraction 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. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @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. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @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. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

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. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

EPISODE 231 - "PRISON TOOLS" DR. MATT HALL EPISODE 243 - "I WANT FOUR AWESOME SEASONS" EPISODE 270 - "WHY GOD MADE THE EVENING SHIFT" STEVE PILTZ EPISODE 287 - "CARTOONIST IN WORD FORM" GARY MCMANUS EPISODE 271 - "GUESS AGAIN DUMMY" RYAN MAY EPISODE 280 - "RED SKY IN THE MORNING" WEATHER PROVERBS EPISODE 262 - "MY TEDDY BEAR AND ROSARY" EPISODE 221 - "I DON'T THINK LIKE THAT" PLOTTING EPISODE 230 - "FIRE TRIFORCE" WILDFIRES EPISODE 273 - "VERY SPECIAL WAYS TO PICK PEOPLE UP" CAPT. JEFF GRASS Fun Paper Friday de Macedo, Robert Buarque, et al. "Unearthing real-time 3D ant tunneling mechanics." Proceedings of the National Academy of Sciences 118.36 (2021). Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

The GEARS workshop is over and we discuss what lessons were learned and how it went. Then we find out how some clever computer scientists found plagiarization in the literature. Fun Paper Friday Cabanac, Guillaume, Cyril Labbé, and Alexander Magazinov. "Tortured phrases: A dubious writing style emerging in science. Evidence of critical issues affecting established journals." arXiv preprint arXiv:2107.06751 (2021). Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

It's hot! Learn about wet bulb temperature and what it means for your heat-stress this summer! It involves a lot of swinging of wet socks! Fun Paper Friday Tamm, Sidney L. "Defecation by the ctenophore Mnemiopsis leidyi occurs with an ultradian rhythm through a single transient anal pore." Invertebrate Biology 138.1 (2019): 3-16. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

How Seashells are Made Johnson, Adam B., Nina S. Fogel, and J. David Lambert. "Growth and morphogenesis of the gastropod shell." Proceedings of the National Academy of Sciences 116.14 (2019): 6878-6883. Addadi, Lia, et al. "Mollusk shell formation: a source of new concepts for understanding biomineralization processes." Chemistry–A European Journal 12.4 (2006): 980-987. Fun Paper Friday Thampi, Nisha, Lekha N. Villeneuve, and Yves Longtin. "Wash your hands, Brother John!." BMJ 367 (2019). Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

Does the earth change rapidly or slowly? We discuss the competing philosophies and the evolution of.... well, the end of the road for your food! Fun Paper Friday Hejnol, Andreas, and José M. Martín-Durán. "Getting to the bottom of anal evolution." Zoologischer Anzeiger-a Journal of Comparative Zoology 256 (2015): 61-74. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

Shannon is back from field camp (and another trip) and wants to talk about digital skills. Is field camp even necessary? Fun Paper Friday Fukada, Eiichi. "Piezoelectricity of wood." Journal of the Physical Society of Japan 10.2 (1955): 149-154. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

Earthquake shaking is often described on a "felt like" scale known as the Mercalli intensity scale. This episode we delve into the confusing history of the scale and what it really means. Fun Paper Friday Can your pasta be packed more efficiently? It can if it turns into its final shape during cooking! Tao, Ye, et al. "Morphing pasta and beyond." Science Advances 7.19 (2021): eabf4098. ## Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

What is spontaneous potential? It's an inexpensive technique to learn even more about the porosity, composition, and permeability of rock and soil. Fun Paper Friday Does your cat sit in boxes? Turns out, there's proof of why and that a cat's visual perception is quite sophisticated. Smith, Gabriella E., Philippe A. Chouinard, and Sarah-Elizabeth Byosiere. "If I fits I sits: A citizen science investigation into illusory contour susceptibility in domestic cats (Felis silvestris catus)." Applied Animal Behaviour Science 240 (2021): 105338. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

This was supposed to be a show on Spontaneous Potential, but we'll get to that next week! We have a potpourri of things to cover and hope you'll enjoy our derailed train! Fun Paper Friday Telescopes for seals? It's true! Mauck, Björn, et al. "How a harbor seal sees the night sky." Marine mammal science 21.4 (2005): 646-656. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

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. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin ?!

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). Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

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. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

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. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

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. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

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 Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

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 Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

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 Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

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. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

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 [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

When and why did life diversify? This week we go WAY BACK to the Cambrian and hang out with hungry worms and trilobites to discover what happened. Fun Paper Friday Did you know that Wombats poop cubes? Now you do! Yang, Patricia J., et al. "Intestines of non-uniform stiffness mold the corners of wombat feces." Soft Matter (2021). Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

This week we look at the origins and science behind common weather proverbs, discuss the weather forecast rock found in every southern craft fair, and then play some video games! Fun Paper Friday Can playing video games teach us about volcanoes? Should it? McGowan, Edward G., and Jazmin P. Scarlett. "Volcanoes in video games: the portrayal of volcanoes in commercial off-the-shelf (COTS) video games and their learning potential." Geoscience Communication 4.1 (2021): 11-31. Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

Shannon is teaching intro to field inside a ballroom and we grapple with what field skills students need in the real world. Fun Paper Friday Cats go wild over catnip - but why? Lichman, Benjamin R., et al. "The evolutionary origins of the cat attractant nepetalactone in catnip." Science Advances 6.20 (2020): eaba0721. Sciencemag Article Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin

This week it's all about permeability - how water flows through rocks! Fun Paper Friday Yam, Kai Chi, et al. "Association of high profile football matches in Europe with traffic accidents in Asia: archival study." bmj 371 (2020). Contact us: Show Support us on Patreon! www.dontpanicgeocast.com SWUNG Slack @dontpanicgeo [email protected] John Leeman www.johnrleeman.com @geo_leeman Shannon Dulin @ShannonDulin