How Did Life Survive Snowball Earth?

Episode 4.5 — Snowball Earth The evidence for the Cryogenian ice ages, the feedbacks that froze and thawed Earth, and the refuges where life may have endured. Sources, visual credits and license information: https://from-cosmos-to-civilization.p... Chapters: 0:00 Ice at the Equator 2:58 Boulders in Tropical Mud 5:12 How Much Ocean Was Sealed 6:33 Life at the Margins 8:07 The Escape From Below 10:58 Twice 12:25 The World After the Ice How this film was made Created and editorially directed by Anders Lunde using a custom production system developed over six months. AI assists research, drafting, programming, and visual production; I review and edit the material and make the final editorial decisions. Narration uses text-to-speech. Visuals combine custom-built scientific animations, AI-generated reconstructions, and credited scientific imagery. About the creator Anders Lunde holds a master’s degree in molecular biology from the University of Oslo and a PhD in developmental neuroscience, with doctoral research involving transcription factors and RNA sequencing. He currently works as an IT developer and develops the production system behind From Cosmos to Civilization. From Cosmos to Civilization is a chronological science documentary series, following the history of the universe, life and humanity from the Big Bang to the death of Augustus. Watch the episodes in order:    • From Cosmos to Civilization — Episodes in ...   Previous: Episode 4.4b — How Plants Got Chloroplasts    • Science Documentary - The Origin of Chloro...   Next: Episode 5.1 — The First Animals: Life in the Ediacaran    • What Lived Before the Cambrian Explosion?   Media credits: James St. John - 2:58-3:06, Tillite (Elatina Formation, Neoproterozoic; Enorama Creek Custom animations and figures: From Cosmos to Civilization. Third-party material incorporated into animations is credited on the linked sources page. Music: Meditation From The Star Orion by OctahedronMusic (Envato Elements).