Living in a Closed Biosphere episode artwork

EPISODE · May 22, 2025 · 10 MIN

Living in a Closed Biosphere

from What If: Science, Theory, and Possibilities · host What If

Explore the idea of living in a closed biosphere with insights from Jane Poynter. Watch here. Imagine condensing everything that sustains life on Earth into a small bubble. The Earth's biosphere spans approximately 20 km (12 mi), from ocean depths to the atmosphere, housing most life forms. To inhabit space or Mars, replicating this complex system is essential. What would you eat? How would you manage waste? What health risks would you face? For more information, check the transcript and sources. Join for perks: Join here. Subscribe to our second channel "How to Survive": Subscribe. More scenarios: Planet Earth The Cosmos Technology Your Body Humanity Merchandise: Shop here. Suggest an episode: Suggest here. Newsletter: Subscribe. Feedback: Contact us. Connect with What If: Instagram Twitter Facebook Spanish channel Mandarin channel Podcast Thank you to our supporters: Batman, Kristopher Kirby. What If is a web series exploring hypothetical worlds and possibilities. Join our fun adventures through time, space, and chance, produced by Underknown in Toronto: Visit Underknown. #closedbiosphere #JanePoynter #spacehabitation #Earth'sbiosphere #sustainability #healthrisks #Marssettlement Learn more about your ad choices. Visit podcastchoices.com/adchoices

Episode metadata supplied by the publisher feed · Published May 22, 2025

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Living in a Closed Biosphere

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