October 6, 20207 min read, 1439 words
Published: October 6, 2020 | 7 min read, 1439 words
In its 4.5 billion year history, Earth has had to run the gauntlet. Numerous catastrophes have imperilled the planet, from massive impacts, to volcanic conflagrations, to frigid episodes of snowball Earth. Yet life persists. Among all of the hazards that threaten a planet, the m...