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Curated by: John Michael Godier (459 videos)
An exploration of the end permian extinction and how earth's oxygen levels have varied over time to an alarming degree. My Patreon Page: https://www.patreon.com/johnmichaelgodier My Event Horizon Channel: https://www.youtube.com/eventhorizonshow Cylinder Eight by Chris Zabriskie is licensed under a Creative Commons Attribution 4.0 license. https://creativecommons.org/licenses/by/4.0/ Source: https://chriszabriskie.com/cylinders/ Cylinder Five by Chris Zabriskie is licensed under a Creative Commons Attribution 4.0 license. https://creativecommons.org/licenses/by/4.0/ Source: https://chriszabriskie.com/cylinders/ Darkest Child by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 license. https://creativecommons.org/licenses/by/4.0/ Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100783 Artist: http://incompetech.com/