video still9:01David M. RaupExtinction isn’t random — but the 26-million-year pulse Raup found is not a law of nature.
video still9:58Georges CuvierCuvier didn’t just name extinct beasts — he proved life could vanish, and made Earth’s history a story of catastrophe, not continuity.
video still9:21Mary AnningShe didn’t theorise deep time — she dug it up, dissected it, and named its waste.