Erin and Howard sat down with paleontologist Dr. Tara Lepore for a fascinating dive into the science—and storytelling potential—of deep time. Dr. Lepore explains why paleontology is about far more than dinosaurs and how mammal teeth can reveal “birth certificates” millions of years old. We hope you come away with new ways to think about science as story—and how to weave the vastness of deep time into your own worlds. Thing of the Week: University of California Museum of Paleontology Homework: Find 3 ways that deep time could be interwoven into your current or upcoming writing project. Call for Writing Breakthroughs Have you had a breakthrough in your writing because of Writing Excuses? If so, we want to hear about it. Fill out this Writing Breakthroughs Google Form for a chance to be featured in a WX Newsletter! Last Annual Cruise The final WXR cruise sets sail for Alaska in September 2026—don’t miss your chance to be part of it. Learn more and sign up here. Credits: Your hosts for this episode were Mary Robinette Kowal, DongWon Song, Dan Wells, Erin Roberts, and Howard Tayler. Our guest was Dr. Tara Lepore. It was produced by Emma Reynolds, recorded by Marshall Carr, Jr., and mastered by Alex Jackson. Join Our Writing Community! Writing Retreats Newsletter Patreon Instagram Threads Bluesky TikTok YouTube Facebook Our Sponsors: * Check out Aeropress and use my code WX for a great deal: https://aeropress.com * Check out Gusto: https://gusto.com/WX * Check out Uncommon Goods: https://uncommongoods.com/WX Support this podcast at — https://redcircle.com/writing-excuses2130/donations Advertising Inquiries: https://redcircle.com/brands Privacy & Opt-Out: https://redcircle.com/privacy