This week Dr. Walter Smith joins us to talk about GMT, satellite altimetry, gravity, racing cars, and more!

• Walter’s Webpage

Fun Paper Friday

• This week we examine parachutes… again. Do they work? Find out on this week’s Fun Paper!
• Yeh, Robert W., et al. “Parachute use to prevent death and major trauma when jumping from aircraft: randomized controlled trial.” BMJ 363 (2018): k5094.

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John Leeman - www.johnrleeman.com - @geo_leeman

Shannon Dulin - @ShannonDulin

This week it’s more about climate, but at a time when we didn’t have any ice on the Earth and when most of our fossil fuel storage formations were being deposited!

Fun Paper Friday

• Chickens - the dominant life marker in human-era strata? Find out in this week’s fun paper!
• Carys E. Bennett, Richard Thomas, Mark Williams, Jan Zalasiewicz, Matt Edgeworth, Holly Miller, Ben Coles, Alison Foster, Emily J. Burton and Upenyu Marume The broiler chicken as a signal of a human reconfigured biosphere5Royal Society Open Science http://doi.org/10.1098/rsos.180325

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Shannon Dulin - @ShannonDulin

This week John and Shannon continue talking about Earth’s past climate and snowball Earth, then delve into the physics of cactus.

• Geologic Timescale

Fun Paper Friday

• Which cactus is the worst to get stuck by? Find out in this week’s fun paper!
• Crofts, S. B., and P. S. L. Anderson. “The influence of cactus spine surface structure on puncture performance and anchoring ability is tuned for ecology.” Proceedings. Biological sciences 285.1891 (2018).

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Show - Support us on Patreon! - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com

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Shannon Dulin - @ShannonDulin

This week we talk about the InSight landing and seismology on Mars.

• InSight Mission
• The Onion Article

Fun Paper Friday

• Could minerals be the keys to solving the dark matter puzzle?
• Drukier, Andrzej K., et al. “Paleo-detectors: Searching for Dark Matter with Ancient Minerals.” arXiv preprint arXiv:1811.06844 (2018).

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Shannon Dulin - @ShannonDulin

This week it’s all about snowball Earth, how we got there, how we got back.

• Snowball Earth
• Albedo

Fun Paper Friday

• Small dinosaurs making tools in the lab!
• Gizmodo Article
• Auersperg, A. M. I., et al. “Tool making cockatoos adjust the lengths but not the widths of their tools to function.” PloS one 13.11 (2018): e0205429.

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Show - Support us on Patreon! - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com

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Shannon Dulin - @ShannonDulin

This week we talk about the GSA meetings, stream tables, and bug dorms.

GSA

• GSA 2018
• EM River

Fun Paper Friday

• What’s that buzzing sound? Find out on this week’s fun paper.
• Chung, H. N., et al. “Toward Implementation of Mosquito Sterile Insect Technique: The Effect of Storage Conditions on Survival of Male Aedes aegypti Mosquitoes (Diptera: Culicidae) During Transport.” Journal of insect science (Online) 18.6 (2018).

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Shannon Dulin - @ShannonDulin

This week John talks about an instrumentation meeting he was at and what the future looks like for seismologists.

• Blueseis Sensor
• John's Company

Fun Paper Friday

• Can a fly ruin a glass of wine? Find out in this week's fun paper!
• Becher, P.G., Lebreton, S., Wallin, E.A. et al. J Chem Ecol (2018) 44: 431. https://doi.org/10.1007/s10886-018-0950-4

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Shannon Dulin

• @ShannonDulin

This week The Amoeba People join us to talk about creating science music and geology dance moves.

• The Band Website
• Band Facebook
• Band Twitter
• Band YouTube
• Band Patreon

Fun Paper Friday

• Dear College Students: You Should Take Geology

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Show - Support us on Patreon! - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com

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Shannon Dulin - @ShannonDulin

This week John and Shannon talk about their transitions to Windows and Mac, and what to do when things just stop working.

• Back to Work #393

Fun Paper Friday

• What’s the half-life of a chocolate box in a hospital? Find out on this week’s Fun Paper Friday.
• Gajendragadkar, Parag R., et al. “The survival time of chocolates on hospital wards: covert observational study.” Bmj 347 (2013): f7198.

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Show - Support us on Patreon! - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com

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Shannon Dulin - @ShannonDulin

Shannon goes to a software carpentry workshop and we do a post workshop discussion on using the tools she learned.

Workshop

• Embedded.fm #250
• Software Carpentry

Fun Paper Friday

• Lizards and hurricanes, this week’s fun paper has it all
• UCDavis Blog Post
• Donihue, Colin M., et al. “Hurricane-induced selection on the morphology of an island lizard.” Nature 560.7716 (2018): 88.

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Show - Support us on Patreon! - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com

John Leeman - www.johnrleeman.com - @geo_leeman

Shannon Dulin - @ShannonDulin

This week Dr. David Jewitt joins us to talk about interstellar objects, jovian moons, and the Kuiper belt!

• Kuiper Belt
• ‘Oumuamua
• David’s Website

Fun Paper Friday

• Should insurance be paying for you to ride the roller coaster? Find out on this week’s fun paper friday!
• Mitchell, Marc A., and David D. Wartinger. “Validation of a functional pyelocalyceal renal model for the evaluation of renal calculi passage while riding a roller coaster.” J Am Osteopath Assoc 116.10 (2016): 647–652.

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Shannon Dulin - @ShannonDulin

This week Jason Hofgartner of JPL joins us to talk about Pluto and New Horizons!

Pluto

• New Horizons
• Jason Hofgartner

Fun Paper Friday

• Is it possible to publish a paper every five days? Do they mean anything? Can you sleep? Join us this week for an analysis of hyper-prolific authors.
• Thousands of scientists publish a paper every five days
• Free Agents #55

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John Leeman - www.johnrleeman.com - @geo_leeman

Shannon Dulin - @ShannonDulin

This week Dr. Amy Simon joins us to talk about Uranus and Neptune as we continue our march through the solar system!

Uranus and Neptune

• Uranus
• Neptune
• Amy’s website

Fun Paper Friday

• What would you do if you could make a meteor shower?
• Mirror Article
• ALE Website

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

This week Dr. Mike Malaska joins us to talk about the wild world of Titan - its methane rivers, organic clouds, and disappearing islands!

Titan

• Titan
• UnmannedSpaceflight.com
• Image Processing Tutorials
• Mike’s Twitter

Fun Paper Friday

• Can machine learning tell us where aftershocks are most likely to happen? Find out in this week’s Fun Paper Friday!!
• Machine learning improves forecasts of aftershock locations

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Show - Support us on Patreon! - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com

John Leeman - www.johnrleeman.com - @geo_leeman

Shannon Dulin - @ShannonDulin

This week Dr. Amanda Hendrix joins us to talk about Saturn, it’s moons, and exploring Titan.

• Saturn
• Cassini Mission
• Beyond Earth: Our Path to a New Home in the Planets

Fun Paper Friday

• Why do old men have big ears? Find out in this week’s fun paper!
• Heathcote, James A. “Why do old men have big ears?.” BMJ 311.7021 (1995): 1668.

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Show - Support us on Patreon! - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com

John Leeman - www.johnrleeman.com - @geo_leeman

Shannon Dulin - @ShannonDulin

This week, it’s all about the most volcanically active place in the solar system - Io! Join Dr. Rosaly Lopes of JPL for a tour of this strange world.

• Io
• Galileo Mission
• Cassini Mission

Fun Paper Friday

• Can you burn more calories by watching a scary movie? Find out on this weeks fun paper friday!
• Cooper, B. G., J. N. Matthews, and K. G. Alberti. “Resting energy expenditure, substrate use, and video tapes.” BMJ: British Medical Journal 311.7021 (1995): 1664.

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Support us on Patreon!

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Shannon Dulin - @ShannonDulin

This week Dr. Fran Bagenal joins us to talk about the Juno mission and Jupiter as we start our march through the outer planets.

Jupiter

• Dr. Fran Bagenal
• Juno Mission
• JUNOCAM

Fun Paper Friday

• If the Script for “Star Wars: The Last Jedi” Was Peer-Reviewed

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• Support us on Patreon!

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Shannon Dulin - @ShannonDulin

This week, it's all about stereonets and magnets!

Stereonets

• Leeds Workbook
• Visible Geology
• Rowan’s Blog Post

Fun Paper Friday

• McCormick, S., et al. "Children and mini-magnets: an almost fatal attraction." Emergency medicine journal 19.1 (2002): 71-73.

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John Leeman

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• @geo_leeman

Shannon Dulin

• @ShannonDulin

This week it's all about the sandstone! Join us to find out how sandstone dykes form!

Sandstone Dykes

• Dykes (general)
• CO Sandstone Dykes

Fun Paper Friday

• Is chocolate milk the best workout drink? We're still wondering.
• Amiri, Mojgan, et al. "Chocolate milk for recovery from exercise: a systematic review and meta-analysis of controlled clinical trials." European Journal of Clinical Nutrition (2018): 1.

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Shannon Dulin

• @ShannonDulin

This week we have a host of people gathered in a conference room at the scientific python conference to discuss what we've seen and what we're excited about.

• SciPy 2018

Contact us:

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John Leeman

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• @geo_leeman

Shannon Dulin

• @ShannonDulin

This week we talk about how quantum magnetometers work and popcorn driven robots!

SQUIDS

• SQUID
• Josephson Junction
• Phase Locked Loop

Fun Paper Friday

• Robots driven by popcorn? Find out how on this week's Fun Paper!
• Ceron, S., Kurumunda, A., Garg, E., Kim, M., Yeku, T., & Petersen, K. Popcorn-Driven Robotic Actuators.

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John Leeman

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Shannon Dulin

• @ShannonDulin

This week Dr. Devin Dennie joins us to talk about making geoscience education fun for everyone!

• Devin Dennie
• My Book of Rocks and Minerals
• Explorer Multimedia

Fun Paper Friday

• This week we find out if two spaces are better than one!
• Johnson, Rebecca L., Becky Bui, and Lindsay L. Schmitt. "Are two spaces better than one? The effect of spacing following periods and commas during reading." Attention, Perception, & Psychophysics (2018): 1-8.

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Shannon Dulin

• @ShannonDulin

This week Dr. Megan Elwood-Madden joins us to talk about the red planet and geochemistry!

Mars

• Mars
• Jarosite
• Opportunity
• Megan’s Website

Fun Paper Friday

• Listener Dustin sent in this great fun paper on avalanche triggering!
• Reuter, Benjamin, and Jürg Schweizer. “Avalanche triggering by sound: myth and truth.” Proceedings of the International Snow Science Workshop ISSW. 2009.

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

This week our friend at The Orbital Mechanics podcast joins us to talk about observing the Earth from space… or something like that.

Earth observing spacecraft

• GRACE
• Van Allen Probes
• GOES Network
• TRMM
• TERRA
• DSCOVR
• Gravity Probe B
• Earth Missions List

Ben Etherington

• @orbitalpodcast
• @benetherington

Fun Paper Friday

• We know music is mathematical, but Donald Knuth takes it to the next level on this week’s fun paper friday!
• Knuth, Donald E. “The complexity of songs.” Communications of the ACM 27.4 (1984): 344–346.

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Show - Support us on Patreon! - www.dontpanicgeocast.com - SWUNG Slack - @dontpanicgeo - show@dontpanicgeocast.com

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Shannon Dulin - @ShannonDulin

This week we talk to Dr. Jim Head about the planet Venus!

• Dr. Jim Head
• Venus
• Venus Missions

Fun Paper

• Jargon - we're been here before, but we're going back for a second dose!
• NPR Article
• Anderson-Cook, Christine M. "Hidden jargon: Everyday words with meanings specific to statistics." Data and context in statistical education: Towards an evidence-based society. Proceedings of the Eighth International Conference on Teaching Statistics (ICOTS8), Ljubljana, Slovenia. Voorburg, The Netherlands: International Statistical Institute. 2010.

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Show

• www.dontpanicgeocast.com
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• @dontpanicgeo
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John Leeman

• www.johnrleeman.com
• @geo_leeman

Shannon Dulin

• @ShannonDulin