[SunkenCiv]

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The Cycle of Cosmic Catastrophes: Flood, Fire, and Famine in the History of Civilization by Richard Firestone, Allen West, and Simon Warwick-Smith

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[Sacajaweau]

What they need is more grant money to solve this mystery which cannot and thus...will never be solved.

[rarestia]

Smoke from human fires in the soil? It was probably global warming and overhunting of the species that killed off the mammoths. We humans are a destructive species with no regard for life.

/sarc

[MaxMax]

My theory is that Dino farts were so intense that the friction would cause
the farts to ignite. They killed themselves in the process of discovering Black bean
plants and Cabbage.

[central_va]

Bush’s fault.

[uglybiker]

The Younger Dryas lasted a thousand years and coincided with the extinction of mammoths ...began when a comet or meteorite struck North America.

Something that big would've left a crater.

Where is it?

[T. P. Pole]

Oh, I get it. This is their response to the climate change deniers. “See, in the past humans caused climate change and mass extinctions” to cover for our query about cave men’s SUVs.

[moovova]

House fires? Civilization hasn't come very far...

"Panthers coach Ron Rivera and family OK after fire at their Charlotte home early Monday"