Watch the full episode here: https://youtu.be/IE44PzFW6bU Imagine if all the Earth's oxygen disappeared. Not forever, just for, say, an hour? Could you hold your breath that long? What would happen to the atmosphere? And could the Earth ever recover from this planet-wide suffocation? What will ...

Your ancient alien civilization is leaving its dying planet in search of a new homeland. The promised land is represented by Gaia, which is home to the magnificent human civilization of Atlantis. But beware, other Houses (factions) of your civilization also have the same goal and only one will ...