Activity for Leo‭

Type	On...	Excerpt	Status	Date
Question	—	What could be an event which would wipe out most life on Earth and cause massive changes to Earth's ecology, but which humans can survive in bunkers? So as the title describes, I need an apocalyptic event which is survivable by cryogenically preserved humans in hermetically sealed bunkers underground (or somewhere else). This event should wipe out almost all life and change the climate and environment sufficiently enough that life with completely ... (more)	—	almost 7 years ago