The Arrogance of the Anthropocene - The Atlantic
If, in the final 7,000 years of their reign, dinosaurs became hyperintelligent, built a civilization, started asteroid mining, and did so for centuries before forgetting to carry the one on an orbital calculation, thereby sending that famous valedictory six-mile space rock hurtling senselessly toward the Earth themselves—it would be virtually impossible to tell.
A nice steaming cup of perspective.
If there were a nuclear holocaust in the Triassic, among warring prosauropods, we wouldn’t know about it.