[blam]

"You said five Adams by which I inferred you were perhaps referring to five collapses of civilization."

Five 'near extinction' events not, five Adams, lol. (I will go with the five civilization collapses though)

[Ada Coddington]

Five 'near extinction' events not, five Adams, lol. (I will go with the five civilization collapses though)

Significent different between "near extinction" and mere civilization collapses. The Mayan civilization, for instance, collapsed but the Mayans did not become extinct.