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PODCAST

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.

science natural sciences

All Episodes

59:34

Episode 322 - "TeX Makes it Beautiful"

Don"t Panic Geocast ·

2022/03/11

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 (https://miktex.org/download) Fun Paper Friday Matsui, Takafumi, et al. "The manufacture and origin of the Tutankhamen meteoritic iron dagger." Meteoritics & Planetary Science (2022). (https://onlinelibrary.wiley.com/doi/pdf/10.1111/maps.13787) ## Contact us: Show Support us on Patreon

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45:55

Episode 321 - "Big Peas"

Don"t Panic Geocast ·

2022/03/05

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. https://www.weather.gov/images/tae/WinterPrep2017_Preciptypes.png 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

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43:23

Episode 320 - "Hunga Tonga"

Don"t Panic Geocast ·

2022/02/18

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

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45:32

Episode 319 - "Ions in Solution"

Don"t Panic Geocast ·

2022/02/12

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

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51:52

Episode 318 - "Sandstones are Forever"

Don"t Panic Geocast ·

2022/02/05

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

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58:33

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

Don"t Panic Geocast ·

2022/01/29

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

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52:23

Episode 316 - "A centimeter is good enough"

Don"t Panic Geocast ·

2022/01/15

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

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50:09

Episode 315 - "Tombstones"

Don"t Panic Geocast ·

2022/01/07

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.

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1:06:51

Episode 314 - "We Did Pretty Good"

Don"t Panic Geocast ·

2022/01/01

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

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47:14

Episode 313 - "Starts with Dyson"

Don"t Panic Geocast ·

2021/12/24

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

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48:51

Episode 312 - "Atmospheric Deodorant"

Don"t Panic Geocast ·

2021/12/10

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

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45:55

Episode 311 - "You know the answer once you know the...

Don"t Panic Geocast ·

2021/12/04

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

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51:54

Episode 310 - "Paul Bunyan's Potty"

Don"t Panic Geocast ·

2021/11/27

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

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50:30

Episode 309 - "Assume a Spherical Chicken"

Don"t Panic Geocast ·

2021/11/20

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

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44:33

Episode 308 - "Clay is kind of a trash can" Cements

Don"t Panic Geocast ·

2021/11/12

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).

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37:16

Episode 307 - "Up, Up, and Away"

Don"t Panic Geocast ·

2021/11/05

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

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46:40

Episode 306 - "8 Degrees is a lot!" PETM

Don"t Panic Geocast ·

2021/10/22

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.

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47:02

Episode 305 - "Trovant down by the river"

Don"t Panic Geocast ·

2021/10/15

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

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1:07:41

Episode 304 - "Bog Clothes" with Dr. Andy Elwood-Madden

Don"t Panic Geocast ·

2021/10/08

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

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56:54

Episode 303 - "But do you need it?"

Don"t Panic Geocast ·

2021/09/24

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

en

424 results

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