
This week we talk about GPR or ground penetrating radar as Shannon considers buying one and asks what to look for.
Fun Paper Friday
Do trees glow before lightning strikes?
McFarland, P. J., et al. "Corona discharges glow on trees under thunderstorms." Geophysical Research Letters 53.4 (2026): e2025GL119591.
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John Leeman
www.johnrleeman.com
@geo_leeman
Shannon Dulin
@ShannonDulin
May 29
48 min

This week we talk about how you should approach an outcrop in the field for the first time. What do you look for? What kind of notes do you take? This and more field camp tips plus a discussion about the rheology of pasta sauce.
Fun Paper Friday
Busiello, Daniel Maria, Vincenzo Maria Schimmenti, and Ivan Di Terlizzi. "Physical properties of a perfect pasta sauce." Physics Today 2026 (2026).
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John Leeman
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@geo_leeman
Shannon Dulin
@ShannonDulin
May 15
56 min

This week we help a listener identify their bizarre fossil - and it's a trace fossil! Learn all about it and find out if you'd remember more if we were funnier!
Trace Fossil Dictionary
Shannon’s Favorite Trackway
Asterosoma
Fun Paper Friday
Would you remember more about science if your teachers presented it in a funny way?
Frank, Alexandra L., et al. "Wit meets wisdom: the relationship between satire and anthropomorphic humor on scientists' likability and legitimacy." Journal of Science Communication 24.1 (2025): A04.
Mar 28
58 min

This week, we continue to talk about temperature with a discussion of temperature scales, where they came from, and why there are so many!
Fun Paper Friday
Kaiser, Caspar, and Andrew J. Oswald. "The scientific value of numerical measures of human feelings." Proceedings of the National Academy of Sciences 119.42 (2022): e2210412119.
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John Leeman
www.johnrleeman.com
@geo_leeman
Shannon Dulin
@ShannonDulin
Mar 13
42 min

What is temperature? Why do we care? Where did all of these temperature scales come from? This week, we find out!
Fun Paper Friday
Di Lorenzo, Emilia, et al. "Periodic cooking of eggs." Communications Engineering 4.1 (2025): 1-10.
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John Leeman
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@geo_leeman
Shannon Dulin
@ShannonDulin
Feb 6
58 min

This week it's all about liquefaction as we explore why some caskets are above ground and how some cars get half way buried.
Flame Structure
Sand Boil
Quicksand
Fun Paper Friday
Can creatively shaped pasta fold itself when cooked?
Tao, Ye, et al. "Morphing pasta and beyond." Science Advances 7.19 (2021): eabf4098.
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John Leeman
www.johnrleeman.com
@geo_leeman
Shannon Dulin
@ShannonDulin
Jan 30
46 min

We are back after a very challenging 2025 but don't panic - there is a plan!
Fun Paper Friday
Taloni, Andrea, Vincenzo Scorcia, and Giuseppe Giannaccare. "Large language model advanced data analysis abuse to create a fake data set in medical research." JAMA ophthalmology 141.12 (2023): 1174-1175.
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John Leeman
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@geo_leeman
Shannon Dulin
@ShannonDulin
Jan 10
1 hr 1 min

We're still here - it has just been a very difficult time, but this week we're talking about Hurricane Melissa and Halloween Candy!
Hurricane Melissa
Video Inside the Hurricane
Fun Paper Friday
Trick or Treat! Maybe it should be Treat or Toy? Find out in this week's Fun Paper!
Schwartz, Marlene B., Eunice Y. Chen, and Kelly D. Brownell. "Trick, treat, or toy: children are just as likely to choose toys as candy on Halloween." Journal of nutrition education and behavior 35.4 (2003): 207-209.
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John Leeman
www.johnrleeman.com
@geo_leeman
Shannon Dulin
@ShannonDulin
Nov 7, 2025
46 min

This week, we chat about our GEARS workshop that recently wrapped up, how it has evolved, and how it went!
GEARS Workshop
Fun Paper Friday
Hejnol, Andreas, and Mark Q. Martindale. "The mouth, the anus, and the blastopore—open questions about questionable openings." Animal Evolution: Genomes, Fossils, and Trees (2009): 33-40.
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John Leeman
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@geo_leeman
Shannon Dulin
@ShannonDulin
Sep 19, 2025
1 hr 6 min

This week we are back and discussing the recent large earthquake in Russia!
Fun Paper Friday
Is that viral video of a fault rupture form a security camera real? This paper checks it out.
Kearse, Jesse, and Yoshihiro Kaneko. "Curved Fault Slip Captured by CCTV Video During the 2025 M w 7.7 Myanmar Earthquake." The Seismic Record 5.3 (2025): 281-288.
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John Leeman
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@geo_leeman
Shannon Dulin
@ShannonDulin
Sep 6, 2025
46 min
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