Don't Panic Geocast

John Leeman and Shannon Dulin
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Dec 31, 2016 • 40min

Episode 101 - "Cure your hangover with science"

John and Shannon ring in the new year talking about native science and Enchanted Rock State Park. Why are the rocks enchanted and what can we learn from the native stories? Enchanted Rock State Park Enchanted Rock State Park Batholith Pluton Granite Dome Video of exfoliation in action Fun Paper Friday What can lake deposits tell us about historical storms? Were the gods protecting Japan from attack with typhoons? Find out this this week’s fun paper! Earth Magazine Summary Woodruff, J. D., et al. “Depositional evidence for the Kamikaze typhoons and links to changes in typhoon climatology.” Geology 43.1 (2015): 91–94. Contact us: Show - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com John Leeman - www.johnrleeman.com - @geo_leeman Shannon Dulin - @ShannonDulin  
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Dec 23, 2016 • 44min

Episode 100 - "Mineralogists are Yelling" EBSD

John made it back from San Francisco and Shannon is getting her new laptop setup. This week we took a break to talk about electron backscatter in scanning electron microscopes and think about what can modify the size of animals. EBSD Measurements Electron backscatter diffraction Kikuchi Bands Bragg’s Law LPO Paper Optical Interference Figures Fun Paper Friday What can change the size of an animal? This week we find out with a listener submitted Fun Paper Friday! Thank you to listener Steve Bryant for finding this paper. Thomas, R., Holmes, M., and Morris, J. 2013. “So bigge as bigge may be”: tracking size and shape change in domestic livestock in London (AD 1220–1900). Journal of Archaeological Science. http://dx.doi.org/10.1016/j.jas.2013.02.032 Contact us: Show - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com John Leeman - www.johnrleeman.com - @geo_leeman Shannon Dulin - @ShannonDulin  
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Dec 16, 2016 • 1h 10min

Episode 99 - "Happy Funhundredth!"

It’s our 100th episode! Join us as we revisit some of our favorite Fun Paper Friday segments. Are you musically inclined? We are looking for new show music! Send us your audio, ideas, and suggestions for royalty free music! Fun Paper Revisits Episode 19 – “The whole office is batteries” Meyer-Rochow, V. B., & Gal, J. (2003). Pressures produced when penguins pooh?calculations on avian defaecation. Polar Biology, 27(1), 56–58. http://doi.org/10.1007/s00300–003–0563–3 Episode 22 – “It was like two Volkswagens Battling” Bolliger, S. A., Ross, S., Oesterhelweg, L., Thali, M. J., & Kneubuehl, B. P. (2009). Are full or empty beer bottles sturdier and does their fracture-threshold suffice to break the human skull? Journal of Forensic and Legal Medicine, 16(3), 138–142. http://doi.org/10.1016/j.jflm.2008.07.013 Episode 76 – “You can’t runaway in an oxbow lake” Catania, Kenneth C. “Leaping eels electrify threats, supporting Humboldt’s account of a battle with horses.” Proceedings of the National Academy of Sciences (2016): 201604009. Episode 59 – “You get a lot of bloat-ware, but you don’t get a compiler” Goodman, Allen C., et al. “A Few Goodmen: Surname‐Sharing Economist Coauthors.” Economic Inquiry 53.2 (2015): 1392–1395. Fun Paper Friday Do you have facial hair? Do you think it changes other’s impressions of you? This week we look at the evidence! Dixson, Barnaby J., and Paul L. Vasey. “Beards augment perceptions of men’s age, social status, and aggressiveness, but not attractiveness.” Behavioral Ecology (2012): arr214. Bonus: Scientists Make Discovery About World’s Silt Deposits But Understand If You Aren’t Interested In That Contact us: Show - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com John Leeman - www.johnrleeman.com - @geo_leeman Shannon Dulin - @ShannonDulin  
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Dec 9, 2016 • 1h 4min

Episode 98 - "You get a can of electron beam" SEM

John and Shannon wrap up the semester by taking a break to talk about scanning electron microscopes and the health benefits of beer. Scanning Electron Microscopes Scanning Electron Microscope Electron gun Electromagnetic Lenses Auger Effect Secondary Electron Emission Backscattered Electron Emission Bremsstrahlung X-rays Scanning Electron Microscopy - Cathodoluminescence Transmission Electron Microscope Shannon’s Locust Wing DIY SEM SEM animation of a record Embedded.fm Interview with Ben Krasnow Fun Paper Friday Can beer have health benefits? Geologists certainly hope so! Fuchimoto, Jun, et al. “Humulone suppresses replication of respiratory syncytial virus and release of IL–8 and RANTES in normal human nasal epithelial cells.” Medical molecular morphology 46.4 (2013): 203–209. NY Daily News Article Contact us: Show - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com John Leeman - www.johnrleeman.com - @geo_leeman Shannon Dulin - @ShannonDulin  
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Dec 2, 2016 • 1h 18min

Episode 97 - "Ridiculous Ear Tufts" Elecia White

This week Elecia White from Embedded.fm joins us to talk about embedded electronics, beach sand pirates, and bear bells. Also John has microphone issues, sorry about that! Embedded.fm Logical Elegance Elecia on Twitter (@logicalelegance) Embedded.fm on Twitter (@embeddedfm) Arduino mbed Sparkfun Electronics ESP8266 Thing Shot Spotter Introduction to California’s Beaches and Coast Longshore Drift Dolos Contact us: Show - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com John Leeman - www.johnrleeman.com - @geo_leeman Shannon Dulin - @ShannonDulin  
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Nov 25, 2016 • 53min

Episode 96 - "Party with Engineers" Learning New Skills

Shannon has been learning how to play engineer. This week we talk about getting your hands dirty and how we learn new skills. Learning New Skills Debugging (Book) YouTube Lynda.com Libraries Podcasts Embedded.fm Fun Paper Friday Tuk, Mirjam A., Debra Trampe, and Luk Warlop. “Inhibitory spillover increased urination urgency facilitates impulse control in unrelated domains.” Psychological Science 22.5 (2011): 627–633. Contact us: Show - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com John Leeman - www.johnrleeman.com - @geo_leeman Shannon Dulin - @ShannonDulin  
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Nov 18, 2016 • 1h 10min

Episode 95 - "At least there were functions" Greg Wilson

John and Shannon are back to doing science instead of troubleshooting and take a break to talk with Dr. Greg Wilson about Software Carpentry, how to teach effectively, and a smattering of related topics about the academic world. Greg Wilson Software Carpentry Data Carpentry Library Carpentry It Will Never Work in Theory The Architecture of Open Source Applications Request a Software Carpentry Workshop Small Teaching: Everyday Lessons from the Science of Learning (Lang) How Learning Works: Seven Research-Based Principles for Smart Teaching (Ambrose et al.) Fun Paper Friday Stefik, Andreas, and Susanna Siebert. “An empirical investigation into programming language syntax.” ACM Transactions on Computing Education (TOCE) 13.4 (2013): 19. Greg’s Review or Stefik and Siebert Whitten, Alma, and J. Doug Tygar. “Why Johnny Can’t Encrypt: A Usability Evaluation of PGP 5.0.” Usenix Security. Vol. 1999. 1999. Perez De Rosso, Santiago, and Daniel Jackson. “What’s wrong with git?: a conceptual design.” (2013). Contact us: Show - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com John Leeman - www.johnrleeman.com - @geo_leeman Shannon Dulin - @ShannonDulin  
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Nov 15, 2016 • 54min

Episode 94 - "It sounds better than piece of string"

Shannon has been in the field sampling the great unconformity and John has been traveling to prepare for an exciting change. Join us this week to learn about discontinuities of all kinds! Unconformities Sedimentary Rocks Siccar Point Unconformity Geologic Time Lab Activity Grand Canyon Geology The Great Unconformity Fun Paper Friday Peters, Shanan E., and Robert R. Gaines. “Formation of the Great Unconformity as a trigger for the Cambrian explosion.” Nature 484.7394 (2012): 363–366. Contact us: Show - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com John Leeman - www.johnrleeman.com - @geo_leeman Shannon Dulin - @ShannonDulin
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Nov 4, 2016 • 50min

Episode 93 - "It has a capital letter" Air Pressure

This week we address a listener question about air pressure. What is it? Is the Earth’s atmosphere different thicknesses at different places? Find out, along with the answer to the age old question: “Where are all the teaspoons?” Air Pressure International Standard Atmosphere Barometric Pressure Pascal (unit) Scale Height Hydrostatic Equation Upper Air Maps Make a barometer Density Altitude Fun Paper Lim, Megan SC, Margaret E. Hellard, and Campbell K. Aitken. “The case of the disappearing teaspoons: longitudinal cohort study of the displacement of teaspoons in an Australian research institute.” BMJ 331.7531 (2005): 1498–1500.
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Oct 28, 2016 • 1h 7min

Episode 92 - "I fell into your trap" Ben Crosby

John and Shannon are still fighting lab equipment, but take a break to talk to a guest suggested by listener Angie about how climate change is forming our landscape. Ben Crosby Dr. Crosby’s Website Permafrost Thermokarst Gooseff, Michael N., et al. “Effects of hillslope thermokarst in northern Alaska.” Eos, Transactions American Geophysical Union 90.4 (2009): 29–30. Jorgenson, M. Torre, Yuri L. Shur, and Erik R. Pullman. “Abrupt increase in permafrost degradation in Arctic Alaska.” Geophysical Research Letters 33.2 (2006). Pelletier, Jon D., et al. “Forecasting the response of Earth’s surface to future climatic and land use changes: A review of methods and research needs.” Earth’s Future 3.7 (2015): 220–251. Olefeldt, D., et al. “Circumpolar distribution and carbon storage of thermokarst landscapes.” Nature Communications 7 (2016): 13043. Alaska has finally been mapped as precisely as Mars Fun Paper Friday Butcher, F. E. G., et al. “The Dorsa Argentea, Mars: Comparison to> 5900 Terrestrial Esker Systems and Statistical Tests for Topographic Relationships.” (2016). Contact us: Show - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com John Leeman - www.johnrleeman.com - @geo_leeman Shannon Dulin - @ShannonDulin  

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