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Supertopics:
Archaeology
Reptiles

Dinosaurs

Subtopics:
An Asteroid Killed Off the Dinosaurs 66,000 Years Ago
consensus that an asteroid killed off the dinosaurs
webKarin ZeitvogelAFP2010-03-05
Trump is as delusional (about the election) as Calvin
webRuben Bolling2021-01-08
Dinosaurs Miscellany
heavy farm machines can compact soil for decades
webCristen Hemingway JaynesEcoWatch2022-05-18
920501Calvin's brontosaurus fantasy
webBill Watterson1992-05-01
Calvin's pterodactyl fantasy, interrupted
webBill Watterson1992-09-04