Don't Panic Geocast

It's not an exact science.

About the show

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.


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    Episode 348 - "Hot Juicy Magma"

    November 6th, 2022  |  42 mins 31 secs

    This week it's all about geologic dikes and how they form. Checkout these injection features and one of our favorite fun papers yet!

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    Episode 347 - "Tiny Crusty Rocks"

    November 4th, 2022  |  40 mins 57 secs

    It's a bird, it's a plane, it's a UFO.... or maybe just a meteorite. This week we talk about meteorites and how they are classified.

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    Episode 346 - "They Haven't Broke"

    October 21st, 2022  |  49 mins 2 secs

    This week we recap Shannon's travel to GSA and John's travel to Europe before diving into what shaped knobs are best for different applications in an award winning Fun Paper Friday!

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    Episode 345 - "3rd Hoodoo on the Left"

    October 7th, 2022  |  34 mins 58 secs

    This week its all about the badlands and how they got to be so bad!

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    Episode 344 - "Pre-Cognated"

    September 30th, 2022  |  1 hr 6 mins

    This week we're talking about how we learn new things as we get further in our careers and how we're trying to stay current with our fields.

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    Episode 343 - "Div, Grad, and Curl"

    September 23rd, 2022  |  53 mins 7 secs

    Vector calculus is the basis of many analysis techniques, but it does not need to be complicated!

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    Episode 342 - "Kiss Me"

    September 9th, 2022  |  51 mins 57 secs

    How do we remember all of the sequences, facts, and processes in our fields? Mnemonic devices! This week we chat about a few of our favorites.

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    Episode 341 - "Scrambler Outside the Physics Department"

    September 2nd, 2022  |  40 mins 35 secs

    Fake forces! This week we talk about what they are and why you seem to feel them if they are only apparent.

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    Episode 340 - "Coriolis Thing"

    August 26th, 2022  |  1 hr 3 mins

    This week we talk about why the Coriolis force is a fictitious force and what it does to balance pressure gradients in the atmosphere.

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    Episode 339 - "Museum with a crater out back"

    August 19th, 2022  |  44 mins 26 secs

    This week we talk about meteor crater and about the little blue pill.... or red pill.

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    Episode 338 - "GEARS 2022"

    August 12th, 2022  |  1 hr 1 min

    The GEARS workshop just happened again, hear what we saw, what the students did and more!

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    Episode 337 - "Air Guitar"

    July 22nd, 2022  |  28 mins 56 secs

    The summer shorts musical theme continues with sferics and another paper from the BMJ Christmas edition!

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    Episode 336 - "Chopstick Breaking Sound"

    July 15th, 2022  |  41 mins 18 secs

    This week we talk about sounds from the Aurora and strange atmospheric conditions that create it.

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    Episode 335 - "Fish with a Ray Gun"

    July 1st, 2022  |  26 mins 19 secs

    We stick with our musical theme for summer shorts and talk about singing ice! Also why is it important to be stupid as a scientist?

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    Episode 334 - "Rock Concert"

    June 24th, 2022  |  30 mins 22 secs

    Our musical themed summer shorts continue with the phenomena of ringing rocks! Also, can math get you out of that failure to stop ticket?

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    Episode 333 - "Sandphony"

    June 10th, 2022  |  25 mins 50 secs

    This week we talk about singing sands and how on Earth dunes make noise.