This week we continue to chat about impact events and the macroscopic evidence of them. We wrap up with a chat about primate sleep patterns. <ul> <li><a href="https://en.wikipedia.org/wiki/Shatter_cone">Shatter Cones</a></li> <li><a href= "https://geology.com/rocks/breccia.shtml">Breccia</a></li> <li><a href= "https://en.wikipedia.org/wiki/Suevite">Suevite</a></li> <li><a href= "https://en.wikipedia.org/wiki/Pseudotachylite">Pseudotachylite</a></li> </ul> Fun Paper Friday <ul> <li>Did our sleep patterns help us grow our cognitive ability? Find out on this week's Fun Paper Friday!</li> <li><a href= "https://www.nytimes.com/2015/12/22/science/down-from-the-trees-humans-finally-got-a-decent-nights-sleep.html?smid=tw-nytimesscience&smtyp=cur&_r=1"> NYTimes Interview</a></li> <li><a href= "https://onlinelibrary.wiley.com/doi/10.1002/evan.21464">Samson, David R., and Charles L. Nunn. "Sleep intensity and the evolution of human cognition." Evolutionary Anthropology: Issues, News, and Reviews 24.6 (2015): 225-237.</a></li> </ul> Contact us: Show <ul> <li><a href="https://www.patreon.com/dontpanicgeo">Support us on Patreon!</a></li> <li><a href= "http://www.dontpanicgeocast.com">www.dontpanicgeocast.com</a></li> <li><a href="https://softwareunderground.org">SWUNG Slack</a></li> <li><a href= "https://twitter.com/dontpanicgeo">@dontpanicgeo</a></li> <li>show@dontpanicgeocast.com</li> </ul> John Leeman <ul> <li><a href= "http://www.johnrleeman.com">www.johnrleeman.com</a></li> <li><a href="https://twitter.com/geo_leeman">@geo_leeman</a></li> </ul> Shannon Dulin <ul> <li><a href= "https://twitter.com/ShannonDulin">@ShannonDulin</a></li> </ul>

Episode 207 - "Baby little crystal faces"

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.