It will also be available virtually, via Zoom. If you come to the Cosmos Club remember to bring your Covid vaccination card. It will be checked before admission. And don’t forget to save some room for the beer. We have a full program of three talks, including a talk about how water and other volatiles affects the behavior of silicic magmatic systems, then a behind-the-scenes look at the daily news process at National Geographic, and finally a presentation on the ‘original arms-race’ about how arms developed in the ancient forerunners of mammals. Contact Michael Ackerson (ackersonm[at]si.edu) for the Zoom link if you do not have it.
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This little dinosaur is no bigger than a bird, so its widely spaced footprints were quite puzzling.
@umdgeology's Tom Holtz helped recreate this raptor's movements millions of years later, shedding new light on the origin of flight. http://go.umd.edu/d-rarusCalcite & Pyrite, Hunan, China #MineralMonday
This lava-dome complex of Guatemala's Santa María volcano has been actively erupting since 1922.
😎#unconformity in southern Portugal🇵🇹
Have you ever seen a fish inside an ammonite shell? Now you have. #FossilFriday
This Jurassic specimen comes from Holzmaden and is on display at the Hauff Museum. I featured a similar fossil in my book, "LOCKED IN TIME", of tiny fish trapped inside giant clams.