This week Dr.Alison Nugent joins us to talk about giant cloud condensation nuclei and life as an assistant professor of atmospheric science in Hawaii.

• Alison's Website
• Facebook: @Dr.AlisonNugent
• Instagram: cloudyday24

• Hinners, Paige, Madison Thomas, and Young Jin Lee. "Determining fingerprint age with mass spectrometry imaging via ozonolysis of triacylglycerols." Analytical Chemistry (2020).

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John Leeman

• www.johnrleeman.com
• @geo_leeman

Shannon Dulin

• @ShannonDulin

This week we talk about rain, freezing rain, sleet, and snow in the follow up to the winter storm that hit the plains this week. Why do these occur? Find out!

• Neuroskeptic. "The nine circles of scientific hell." Perspectives on Psychological Science 7.6 (2012): 643-644.

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John Leeman

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• @geo_leeman

Shannon Dulin

• @ShannonDulin

This week it's all about aquifers and how they work! Water does not sit in lakes underground, but truth is stranger than fiction.

• Upper, Dennis. "The unsuccessful self-treatment of a case of “writer's block”." Journal of applied behavior analysis 7.3 (1974): 497.

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John Leeman

• www.johnrleeman.com
• @geo_leeman

Shannon Dulin

• @ShannonDulin

This week John recaps his trip to AMS and Shannon teases a show on her field work!

• Find AMS talks here
• TORUS project
• WX Symbols
• NCAR Dropsonde
• Tim's Cowbell Video

• This week it's a meaty subject!
• Cole, James. "Assessing the calorific significance of episodes of human cannibalism in the Palaeolithic." Scientific reports 7 (2017): 44707.

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John Leeman

• www.johnrleeman.com
• @geo_leeman

Shannon Dulin

• @ShannonDulin

What's that in the sky? A bird? A plane? No, it's a scary looking cloud! Find out what it was this week!

• Flammagenitus (with great chart at the bottom)
• Australia Pyrocumulus
• Kelvin Helmholtz Instability
• Lenticular Cloud
• Wired Article on Morning Glories
• Nacreous Clouds
• Noctilucent Clouds
• Arcus Clouds
• Mammatus Clouds

• Hart, Vlastimil, et al. "Dogs are sensitive to small variations of the Earth’s magnetic field." Frontiers in zoology 10.1 (2013): 80.

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John Leeman

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• @geo_leeman

Shannon Dulin

• @ShannonDulin

This week we go over the last year and discuss our plans for 2020 before diving into a discussion on pupil shapes in various animals. Don't miss it!

• Banks, Martin S., et al. "Why do animal eyes have pupils of different shapes?." Science advances 1.7 (2015): e1500391.

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John Leeman

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Shannon Dulin

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This week we finish up talking about deserts with some of our favorite features - dunes, ventifacts, and more!

• Sailing Stones
• Ventifact
• Dunes

• How can math and physics "improve" hunting a lion?
• Pétard, H. "A contribution to the mathematical theory of big game hunting." Amer. Math. Monthly 45 (1938): 446-447.

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John Leeman

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Shannon Dulin

• @ShannonDulin

This week we stick to a dry subject - deserts! Learn about how rocks weather in a place where there isn't much.

• Peltier diagram on weathering
• Desert Varnish
• Rock Exfoliation Video

• What if the Earth were replaced with blueberries?
• Sandberg, Anders. "Blueberry Earth." arXiv preprint arXiv:1807.10553 (2018).

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John Leeman

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Shannon Dulin

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Deserts - hot and dry right? Wrong! There's so much more to them!

• Synthetic Uranus? Magnetic Fields? Learn more in this week's fun paper.
• Chau, Ricky, Sebastien Hamel, and William J. Nellis. "Chemical processes in the deep interior of Uranus." Nature communications 2 (2011): 203.

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John Leeman

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Shannon Dulin

• @ShannonDulin

This week we talk about the dreaded stereonet and why it's useful and somewhat... odd.

• Great Stereonet Video Series
• On Teaching Stereonets
• Visible Geology

• What's the best way to make a uniform crepe or pancake? Find out with just a bit of math!
• Boujo, E., and M. Sellier. "Pancake making and surface coating: optimal control of a gravity-driven liquid film." Physical Review Fluids 4.6 (2019): 064802.

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• Support us on Patreon!
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John Leeman

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• @geo_leeman

Shannon Dulin

• @ShannonDulin