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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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.

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On this episode of Curiosity Theory, Dr. Dakotah Tyler and Justin Shaifer explore everything from primate behavior to exploding volcanoes on Jupiter’s moon Io.

They discuss research suggesting same-sex behavior in primates may strengthen social bonds during stressful times, dive into evolution and extinction, debate ants versus humans as “apex” species, and unpack a testosterone experiment in lizards that shows how aggression and risk can come with serious biological costs.

The conversation then shifts toward AI, algorithms, and how technology may subtly nudge our decisions, before heading into space to explain Io’s massive volcanic eruptions and how similar physics may have helped astronomers detect one of the first possible exomoons.

It’s a wide-ranging, curiosity-driven discussion about biology, evolution, technology, and astronomy.

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On this episode of Curiosity Theory, Dr. Dakotah Tyler and Justin Shaifer sit down with Maynard Okereke (@HipHopMD) for a conversation that moves from the Amazon rainforest to the future of humanity.

Maynard shares stories from wildlife expeditions in the Amazon, including giant insects, venomous animals, biodiversity research, and discovering new species. The discussion explores evolution, mimicry, toxic species, and how ecosystems maintain balance over long timescales.

From there, the conversation zooms out into climate change, invasive species, human engineering, and whether we can realistically solve environmental problems with more technology. They also dive into bigger philosophical questions about alien life, existential threats, and what actually unites humanity.

It’s a thoughtful mix of nature, science, and big-picture thinking.

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On this episode of Curiosity Theory, Dr. Dakotah Tyler and Justin Shaifer explore a wide range of scientific questions shaping our future.

They discuss new research on the inverse relationship between cancer and Alzheimer’s, how aging introduces diseases evolution never prepared us for, and what might happen if humans dramatically extend lifespan. The conversation then turns to artificial intelligence, emotion, decision-making, and the growing power of algorithms to shape society.

The episode also covers how the brain changes in space, the ethics of designer babies and genetic selection, and whether emerging biotech could turn inequality into biology. They close by unpacking myths about giant sea creatures, how little of the deep ocean we’ve explored, and why much of the ocean is actually nutrient-poor and sparsely populated.

It’s a wide-ranging discussion about science, ethics, evolution, and unintended consequences.

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On this episode of Curiosity Theory, Dr. Dakotah Tyler and Justin Shaifer explore CTE, ADHD, and how society explains behavior in athletes and high-performance environments.

Dakotah shares his personal experience with concussions, being evaluated for CTE, and later being diagnosed with severe ADHD as an adult. Together, they discuss why CTE is often used as a catch-all explanation for extreme behavior, and why that framing can ignore deeper factors like identity loss, emotional development, and systemic incentives in sports culture.

The episode also examines ADHD through an evolutionary lens, including the hunter-gatherer hypothesis, risk-taking, creativity, and why certain cognitive traits struggle in modern systems while thriving in uncertainty. The conversation expands into loss aversion, minimalism, masculinity, and whether technology could ever replace the human meaning embedded in sport.

It’s a thoughtful, nuanced discussion about neuroscience, evolution, and seeing people as more than diagnoses.

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This week on Questionable Content, Dr. Dakotah Tyler and Justin Shaifer explore why so many people feel like life was better in the past and whether nostalgia is telling us the truth.

They discuss the psychology of memory, why certain years like 2016 get mythologized, and how our brains prioritize emotional comfort over accuracy. The conversation also looks at long-term human progress, wealth, systems, and whether society is actually improving even when it feels unstable.

Throughout the episode, they answer curiosity-driven science questions about heartbeats, lightning, space, water usage, and everyday misconceptions that reveal how intuition often fails us.

It’s a wide-ranging conversation about time, memory, science, and perspective.

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Hosted by Dr. Dakotah Tyler and Justin Shaifer

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