Dr. Keller, a professor emeritus of paleontology and geology at Princeton, shared her journey from a childhood in poverty to becoming a leading expert on mass extinctions and impact events. She discussed her unconventional path, including traveling the world during wars and surviving a shooting, before eventually pursuing a career in science. Dr. Keller's research challenges the traditional asteroid impact theory for the extinction of dinosaurs, proposing instead that volcanic activity played a significant role. The Space Show audience was introduced to her work and invited to learn more about her findings and career. Read the full summary at www.theswpaceshow.com and at doctorspace.substack.com. In addition, you can watch the Zoom video at the Substack address, both of which are dated Sept. 134, 2025.

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