Dr. Dakotah Tyler and Justin Shaifer start with spirit animals — a praying mantis and a green sea turtle — and from there the conversation goes everywhere it wants to. Prehistoric giant insects, the DART asteroid deflection mission, Edwin Hubble's discovery that Andromeda was never just a gas cloud, the psychology of failure and rejection, simulation theory, what happens when you die, Thomas Edison's rumored spirit phone, and Carl Sagan's fire-breathing garage dragon.

The thread running through all of it is what it means to keep building when the institutions aren't calling back, and what it means to stop letting a limited observer define what you are. Two trillion galaxies were always out there. We just couldn't see them yet.

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Hosted by Dr. Dakotah Tyler and Justin Shaifer

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What if the story of life starts earlier than we thought? We break down LUCA, the Last Universal Common Ancestor, what it is, what it is not, and what new genetic clues suggest about life before LUCA. We also connect the origin of life to astrobiology, how scientists read exoplanet atmospheres using starlight, and why Earth’s changing atmosphere matters when searching for life beyond our planet.

Then we jump into medieval history and the Black Death. New evidence suggests the plague’s spread may have been shaped by geology and climate through volcanic activity, crop failure, and the trade routes that moved grain, fleas, and disease. The bigger theme is a Curiosity Theory classic, history is a messy chain of unintended consequences, and new technology keeps creating new unknowns.

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This week on Curiosity Theory, we’re back with Part 2 of our crossover with Science and the City.

Dakotah, Justin, Ashley, and Kalpana jump into a rapid-fire science conversation covering everything from Moon and Mars travel risks to evolution hypotheticals, lab-grown meat, AI hype cycles, nerd culture, astrophotography, and even whether you’d choose immortality and live past the heat death of the universe.

It’s loose, funny, and curiosity-driven. Four science communicators following the most interesting questions wherever they lead.

Visit our Merch Store
https://www.curiositytheorypod.com/merch

Join our Patreon
https://www.patreon.com/c/CuriosityTheory

Follow the show
@curiositytheorypod

Hosted by Dr. Dakotah Tyler and Justin Shaifer

Stay curious.