Episode
Genetic Bottlenecks – How Few People Can Start a World? Or Restart One? (Narration Only)
- Published
- May 3, 2026
- Duration seconds
- 1430
- Processing state
processed
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Summary
When disaster leaves only a handful, can a civilization restart? We explore genetic bottlenecks, colony failure, and the limits of survival. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch my exclusive video Surviving a New Ice Age: https://nebula.tv/videos/isaacarthur-surviving-a-new-ice-age Check out Practical Engineering: https://nebula.tv/practicalconstruction?ref=isaacarthur 🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwall.com/ 🌐 Visit our Website: http://www.isaacarthur.net ❤️ Support us on Patreon: https://www.patreon.com/IsaacArthur ⭐ Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur 👥 Facebook Group: https://www.facebook.com/groups/1583992725237264/ 📣 Reddit Community: https://www.reddit.com/r/IsaacArthur/ 🐦 Follow on Twitter / X: https://twitter.com/Isaac_A_Arthur 💬 SFIA Discord Server: https://discord.gg/53GAShE Credits: Genetic Bottlenecks – How Few People Can Start a World? Or Restart One? Written, Produced & Narrated by: Isaac Arthur Select imagery/video supplied by Getty Images Chapters 0:00 Intro 10:56 Restoration 19:26 Practical Engineering See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .