This week John and Shannon continue talking about Earth’s past climate and snowball Earth, then delve into the physics of cactus. <ul> <li><a href= "https://en.wikipedia.org/wiki/Geologic_time_scale">Geologic Timescale</a></li> </ul> Fun Paper Friday <ul> <li>Which cactus is the worst to get stuck by? Find out in this week’s fun paper!</li> <li><a href= "https://royalsocietypublishing.org/doi/full/10.1098/rspb.2018.2280"> 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).</a></li> </ul> Contact us: Show - <a href= "https://www.patreon.com/dontpanicgeo">Support us on Patreon!</a> - <a href= "http://www.dontpanicgeocast.com">www.dontpanicgeocast.com</a> - <a href="https://softwareunderground.org">SWUNG Slack</a> - <a href="https://twitter.com/dontpanicgeo">@dontpanicgeo</a> - show@dontpanicgeocast.com John Leeman - <a href= "http://www.johnrleeman.com">www.johnrleeman.com</a> - <a href= "https://twitter.com/geo_leeman">@geo_leeman</a> Shannon Dulin - <a href= "https://twitter.com/ShannonDulin">@ShannonDulin</a>

Episode 194 - "Communism for Temperature"

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.