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.


  • Poster Image

    Episode 13 - "One of my best friends is a poet" Phoebe Cohen

    April 17th, 2015  |  1 hr 1 min

    This week we are joined by paleontologist () from Williams. She studies microscopic single-cell fossils from before there were animals.

    Undergrad at Cornell, wanting to be in biology… landed in earth system science
    Strongly influenced by...

  • Poster Image

    Episode 12 - "You want to filter out the ducks" Tides

    April 10th, 2015  |  1 hr 3 mins

    Tides pull and deform the surface of the ocean and the surface of the Earth. This week we’ll take a quick tour of tidal forces, address some show feedback, and then talk about a revision on a classic physics problem.

    Tides are a result...

  • Poster Image

    Episode 11 - "It was windy"

    April 3rd, 2015  |  40 mins 56 secs

    This week we talk about another branch of earth science, meteorology. We discuss the upcoming severe weather season and Shannon’s close call with a tornadic storm. Also updates on past stories, feedback, and fun paper friday!

  • Poster Image

    Episode 10 - "I've been everywhere man"

    March 27th, 2015  |  58 mins 33 secs

    We’ve both been on the road recently and decided to cut together a show to share our travels with you. This week Shannon will take us into the field in NM with her students, and John will take us to Lamont for a seismology student...

  • Poster Image

    Episode 9 - "There's an app for that"

    March 20th, 2015  |  54 mins 15 secs

    This week we thought it would be a good idea to recap some of the apps that we use on a daily basis to get our work done. We want to explicitly state that we are fully unsponsored and that these are just our opinions, not official recommendations or...

  • Poster Image

    Episode 8 - "Canal Side Geologist" Making Maps

    March 13th, 2015  |  42 mins

    What is a geologic map?

    Conveys many sorts of geologic information
    The whole basis of field geology
    Can be a surface,bedrock, subsurface, resource, soil, etc. map

    Making the Map

    Start off with your field gear…like we talked about in...

  • Poster Image

    Episode 7 - "We don't have ancient Greeks on other planets"

    March 6th, 2015  |  32 mins 56 secs

    This week we talk about how sciences can weight a planet, discuss gravity, and the explosion of a military weather satellite while in orbit.

    Ways to Measure Planetary Mass

    Geometric (size and density), this doesn’t
    By triangulation and...

  • Poster Image

    Episode 6 - "What if you calibrated your candles differently?"

    February 27th, 2015  |  54 mins 39 secs

    Time is a very complex subject that you can devote your entire life to. Today we’ll cover a few of the basics and enough to get your interest up! We’ll see that it’s difficult to know what a second is and how long relative times are,...

  • Poster Image

    Episode 5 - "We actually don't call it the Tertiary anymore"

    February 20th, 2015  |  47 mins 55 secs

    This week we discuss the geologic time scale, meteorites, and fitness trackers!
    Pittsburgh Fireball Feb. 17, 2015

    Geologic Time-it’s really big (and deep)

    Despite all kinds of fun things to demo how vast it is…still...

  • Poster Image

    Episode 4 - "Is that cumulonimbus cloud storage?" Data Backups

    February 13th, 2015  |  40 mins 56 secs

    Technicians at the KGRK weather radar encountered a rattlesnake during an upgrade this week. The official NWS statement says “DUE TO COMPLICATIONS INVOLVING A RATTLESNAKE DURING TODAYS UPGRADE…THE KGRK RADAR WILL REAMIN DOWN THROUGH THE...

  • Poster Image

    Episode 3 - “Computers don’t like -20 degree temperatures” with Nick Holschuh

    February 6th, 2015  |  54 mins 45 secs


    We received an from listener Hannah about using tech in education. Thanks Hannah!

    Interview with Nick Holschuh
    Nick is a graduate student at Penn State. He tells us about his field experience, getting to Antarctica, and dealing with...

  • Poster Image

    Episode 2 - If you’re doing geology in pen, you’re just not doing geology right

    January 30th, 2015  |  51 mins 41 secs

    This week we discuss field tools - everything from clothing to pens and notebooks! Shannon panics due to Earth’s close encounter with an asteroid and John talks about the smell after rainstorms. We want to hear your feedback!

    John has been...

  • Poster Image

    Episode 1 - Clippy is Gone Now, Clippy Was Not a Help

    January 23rd, 2015  |  50 mins 29 secs

    Episode 1 - Clippy is Gone Now, Clippy Was Not a Help
    We discuss paper writing, figure making, debate the merits of our favorite software, and discuss a possible explanation of last week’s mysterious booms in Oklahoma. Shannon also discovers...

  • Poster Image

    Episode 0 - "Hello World!"

    January 16th, 2015  |  35 mins 35 secs

    It's Not an Exact Science