Origin story: a big history of everything

Part I: Cosmos. In the beginning: Threshold 1 ; Stars and galaxies: Thresholds 2 and 3 ; Molecules and moons: Threshold 4 --

Part II: Biosphere. Life: Threshold 5 ; Little life and the biosphere ; Big life and the biosphere --

Part III: Us. Humans: Threshold 6 ; Farming: Threshold 7 ; Agrarian civilization ; On the verge of today's world ; The Anthropocene: Threshold 8 --

Part IV: The future. Where is it all going?