Imagine if all the Earth’s oxygen disappeared. Not forever, just for say, 5 seconds? Would we just hold our breath? What would happen to the atmosphere? What would happen to the environment? Here’s what would happen if the world lost oxygen for just 5 seconds. With your support we can make our show better! Join our Patreon community: http://bit.ly/whatif-patreon Transcript and sources: https://insh.world/science/what-if-the-world-lost-oxygen-for-five-seconds/ Watch more what-if scenarios: Planet Earth: https://www.youtube.com/watch?v=_-HhCwYD7rc The Cosmos: https://www.youtube.com/watch?v=gfuJyVkMH_g Technology: https://www.youtube.com/watch?v=CS3bBO05fpU Your Body: https://www.youtube.com/watch?v=QmXR46TrbA8 Humanity: https://www.youtube.com/watch?v=fdCDQIyXGnw About What If: Produced by Underknown in Toronto, Canada, What If is a mini-documentary web series that takes you on an epic journey through hypothetical worlds and possibilities. Join us on an imaginary adventure — grounded in scientific theory — through time, space and chance, as we ask what if some of the most fundamental aspects of our existence were different. Follow what-if on Instagram for bonus material: https://www.instagram.com/whatif.show/ Suggest an episode: http://bit.ly/suggest-whatif Follow the show on Facebook Watch: https://www.facebook.com/What.If.science "Imagination will often carry us to worlds that never were. But without it, we go nowhere." — Carl Sagan Feedback, inquiries and suggestions: https://underknown.com/contact