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About This Podcast
Explore the biggest mysteries of the Universe with Unknowns, a podcast hosted by historian David Christian. From the origins of the Big Bang to humanity’s future, join expert conversations unraveling unanswered questions about life, the cosmos, and our place within it. Perfect for curious minds seeking deep insights and fresh perspectives. Subscribe now to dive into the unknown. Stay tuned for more!
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Recent Episodes
S1E8 Episode 8: The Future of Technology
What will the world look like in 100 years? What about 1,000 or 1,000,000 years from now? While we can’t know the future, we can say with some certainty that technology will play a huge part in it.…
S1E7 Episode 7: Origins of Complex Societies
We know a lot about early human societies, especially as they grew more complex and morphed into states, empires, and nations. But there’s a lot that we don’t know, such as why early humans began…
Episode 6: Over a Decade of Big History
Big History has been asking big questions for more than 10 years, what have we learned along the way? In this episode, Big History teacher Kim Lochner chats with David Christian about the past,…
Episode 5: The Future of Space Exploration
While we can’t predict the future, we can make some educated guesses about life beyond our planet. In this episode, historian David Christian and astrobiologist—an expert in ancient ecosystems and…
Episode 4: Origin Stories
What can we learn from ancient stories? Turns out, a lot. In this episode, historian David Christian and research fellow Lynne Kelly explore global origin stories and what they reveal about where we…
Episode 3: Human Origins
There’s a lot we don’t know about human evolution. In this episode of Unknowns, historian David Christian and paleontologist Michael Archer dive into our origins and speculate on the future of our…
Episode 2: Origins of Life on Earth
How did we get here? Where are we headed next? In this episode of Unknowns, historian David Christian and biologist Michael Gillings delve into the leading theories on the origins of life and tackle…
Episode 1: Origins of the Universe
Do we know how the Universe began? Sort of… In this episode of Unknowns, historian David Christian and astrophysicist Orsola de Marco explore what we know about the origins of the Universe and the…
Unknowns Podcast Trailer
Explore the biggest mysteries of the Universe with Unknowns, hosted by historian David Christian. From the origins of the Big Bang to humanity’s future, join expert conversations unraveling…
Frequently Asked Questions
Unknowns has published 9 episodes since July 2025, covering topics in Education, Science.
Unknowns is currently sporadic with new episodes every 2 weeks. Average episode length is 33m.
Sign up on Grep.FM to access contact details for Unknowns, including email and social media links.
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