Unknowns
Episodes
Episode 8: The Future of Technology
05 Dec 2025
Contributed by Lukas
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 certa...
Episode 7: Origins of Complex Societies
21 Nov 2025
Contributed by Lukas
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 tha...
Episode 6: Over a Decade of Big History
03 Oct 2025
Contributed by Lukas
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...
Episode 5: The Future of Space Exploration
19 Sep 2025
Contributed by Lukas
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 as...
Episode 4: Origin Stories
05 Sep 2025
Contributed by Lukas
What can we learn from ancient stories? Turns out, a lot. In this episode, historian David Christian and research fellow Lynne Kelly explore global or...
Episode 3: Human Origins
22 Aug 2025
Contributed by Lukas
There’s a lot we don’t know about human evolution. In this episode of Unknowns, historian David Christian and paleontologist Michael Archer dive i...
Episode 2: Origins of Life on Earth
08 Aug 2025
Contributed by Lukas
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 le...
Episode 1: Origins of the Universe
25 Jul 2025
Contributed by Lukas
Do we know how the Universe began? Sort of… In this episode of Unknowns, historian David Christian and astrophysicist Orsola de Marco explore what w...
Unknowns Podcast Trailer
16 Jul 2025
Contributed by Lukas
Explore the biggest mysteries of the Universe with Unknowns, hosted by historian David Christian. From the origins of the Big Bang to humanity’s fut...