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Researched and Written by Leila Battison
Narrated and Edited by David Kelly
Thumbnail Art and Art by Ettore Mazza
Snowball Earth image by Oleg Kuznetsov - 3depix - • CC BY-SA 4.0
If you like our videos, check out Leila's Youtube channel:
Music from Epidemic Sound and Artlist, stock footage from Videoblocks.
Image Credits:
Earth during Last Glacial Maximum By Ittiz - Own work, CC BY-SA 3.0,
James St John Tillite Rocks
Banded Iron Formations
Tillite Victoria Australia By Rexness from Melbourne, Australia - Permian sandstone with tillite deposits, Werribee Gorge State Park, Victoria Australia, CC BY-SA 2.0,
Dropstone By Eurico Zimbres, CC BY-SA 2.5,
Kent G. Budge - Dropstone within pyroclastic bed in the wall of Kilbourne Hole, Organ Mountains-Desert Peaks National Monument, New Mexico, United States
Glacial striations By Walter Siegmund - Own work, CC BY 2.5,
Varve Andreas Steinhoff, Attribution, via Wikimedia Commons
Permafrost thawing By NPS Climate Change Response - Thawing permafrost, CC BY 2.0,
Permafrost By Boris Radosavljevic - , CC BY 2.0,
Cryoconite By Ville Miettinen from Helsinki, Finland - Crevasse, CC BY 2.0,
Cryoconote by By Kertu Liis Krigul - Own work, CC BY-SA 4.0,
00:00 Introduction
05:33 Mystery Glaciers
17:00 Snowball Earth
27:22 How?
39:23 Escape