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Supertopics:
History

Geologic History

Subtopics and Documents:
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
atmospheric methane is rising curiously fast
webEuan NisbetThe Conversation2023-08-14
potential 'termination' heating from spiking methane
webOlawale OgunjimiOPlaneta2023-09-20
apparent recursive global warming through the ages
webScienceDaily2021-08-11
asymmetry of Cenozoic climate-carbon cycle events
webConstantin W. Arnscheidt and D...Science Advances2021-08-11