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Fri.-Sat.-Sun., May 31-June 2Pikes Peak Gem & Mineral Show, Norris-Penrose Event Center, 1045 Lower Gold Camp Road, Colorado Springs, CO 80905. Sponsored by the Colorado Springs Mineralogical Society. Hours: noon-7 pm Fri., 10-5 Sat, 10-4 Sun. Adult admission $5.


Tues.-Wed.-Thur., June 4-6, Two rock and mineral + geology classes for educators, with registration and teacher recertification credit through the Colorado School of Mines Teacher Enhancement Program. See, Summer 2019 courses, for Rocks & Minerals, June 4-5, CT-9666-19D, fee $110, 1.0 credit hour;  and Walking Tour of Building Stones in Denver, June 6, CT-04131-19D, fee $80, 0.5 credit hour; plus many other classes available through CSM. One of the other classes is Dinosaur Ridge Teacher’s Workshop, July 9-10, CT-9206-19M, fee $125, 1.0 credit hour.

Wed., June 5, 3:00 p.m., Denver Museum of Nature & Science, Earth Sciences Colloquium, “Deciphering dinosaur lives: From microscopes to Madagascar”; by Kristi Curry Rogers, Macalester College. In Ricketson Auditorium (not in VIP Room) DMNS; all are welcome, museum admission is not required.


Mon., June 10, 3:00 p.m., Denver Museum of Nature & Science, Earth Sciences Colloquium, “Cursed seashells: Deciphering one of the most ubiquitous Paleozoic fossils, Rafinesquina”; by Ben Dattilo, Purdue University. In Community Room (3rd Floor), not in VIP Room, DMNS; all are welcome, museum admission is not required.


Leonardo da Vinci at the Colorado School of Mines, Arthur Lakes Library: In addition to the Leonardo da Vinci: 500 Years of Genius exhibit now in progress at the Denver Museum of Nature and Science (see ), there is another excellent  exhibit about his work, currently on display at the Lakes Library on the CSM campus. The Machines of Change: The Da Vinci Machines exhibit includes “over 60 authentic reproductions of machines and devices designed by Leonardo DaVinci were created using similar materials, building techniques and tools that Leonardo would have had access to in his time”, plus full-size reproductions of Leonardo’s most famous paintings.  The exhibit, free to all visitors, is spaced around the corridors and reading rooms of the main floor of the library. Library hours are 8 a.m. to 8 p.m. most days, 12 to 6 weekends. They say that the exhibit at CSM will be open until mid-July.

For more lecture series during the year see:


Colorado Beer Talks (2nd Tuesday, 6-8 p.m.), Windy Saddle Café, 1110 Washington Avenue, Golden, “Golden’s grassroots version of TED talks, Expand your mind with a beer in your hand”,

Colorado Café Scientifique in Denver, monthly lectures on science topics held either at Blake Street Station or Brooklyn’s, Denver; open to the public, no charge other than refreshments you may choose to purchase; see .

Colorado Scientific Society (3rd Thursday, 7 p.m.), see . Meets at Shepherd of the Hills Church, 11500 W. 20th Ave., Lakewood CO, except when noted.

CU Geological Science Colloquium (Wednesdays, 4 p.m.) see

CSU Dept. of Geoscience Seminars (Fridays, 4 p.m.), see

Van Tuyl Lecture Series, Colorado School of Mines, (Thursdays, 4 p.m.):

Denver Mining Club (Mondays, 11:30), see .

Denver Museum of Nature and Science, Earth Science Colloquium series, 3:00-4:00 p.m., VIP Room unless noted, day of the week varies. Museum admission is not required; see

Denver Region Exploration Geologists Society (DREGS; 1st Monday, 7 p.m.),

Florissant Scientific Society (FSS); meets monthly in various Front Range locations for a lecture or field trip; meeting locations vary, normally on Sundays at noon; all interested persons are welcome to attend the meetings and trips; see for details and schedules.

Nerd Night Denver is a theater-style evening featuring usually 3 short (20-minute) TED-style talks on science or related topics; held more-or-less monthly at the Oriental Theater, 4335 W. 44th Ave., Denver; drinks are available; for ages 18+.  Admission is $6 online in advance, $10 at the door. See .

Rocky Mountain Map Society (RMMS; Denver Public Library, Gates Room, 3rd Tuesday, 5:30 p.m.),

Western Interior Paleontological Society (WIPS); beginning January 2019, WIPS will meet on the 1st Monday of the month, 7 p.m., at Lowry Conference Center, 1061 Akron Way, Denver. See .

Thanks to Peter J. Modreski for keeping us up to date!
To be added to his email list for upcoming events, send request to
pmodreski @