USNMPAL57683OpabiniaregalisImage3 Type post Author Casey Luskin Date January 9, 2026 CategoriesEvolutionIntelligent DesignPaleontology Tagged , Cambrian animals, Cambrian Explosion, clades, Darwin’s Doubt, David Coppedge, Douglas Erwin, evolution, evolutionary precursors, Gizmodo, intelligent design, James Valentine, oxygen, oxygen theory, oxygen trigger model, oxygenation, paleontologists, paleontology, partial pressure of oxygen, Proceedings of the National Academy of Sciences, The Cambrian Explosion (book) New Paper Has Bad News for Popular “Oxygen Theory” of the Cambrian Explosion Casey Luskin January 9, 2026 Evolution, Intelligent Design, Paleontology 8 The technical paper acknowledges that this level of oxygenation, if sustained, would indeed “challenge the view” that oxygen was a trigger for animal evolution. Read More ›
