EPISODE · Oct 14, 2026 · 1 MIN

National Fossil Day

from National Day Spotlight | Presented By National Day Calendar · host National Day Calendar

What if a single rock outcrop could freeze the exact hour the dinosaurs died? On this episode of National Day Spotlight, Marlo Anderson and co-host Alice Anderson are uncovering incredible local history for National Fossil Day. They’ll dive into the world-famous Tanis site in southwestern North Dakota, where a 66-million-year-old fossil bed preserves tiny molten glass beads from the Chicxulub asteroid impact trapped in the gills of ancient fish. Tune in to discover how seismic waves turned an ancient river into a time capsule recording the day the Earth shook!

Episode metadata supplied by the publisher feed · Published Oct 14, 2026

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National Fossil Day

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This episode was published on October 14, 2026.

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