New Paper Has Bad News for Popular “Oxygen Theory” of the Cambrian Explosion

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)
The technical paper acknowledges that this level of oxygenation, if sustained, would indeed “challenge the view” that oxygen was a trigger for animal evolution. Source
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Fossil Friday: Saber-Toothed Tigers Originated Multiple Times

carnivores, cats, clades, convergence, Evolution, Fossil Friday, Intelligent Design, jaws, La Brea Tar Pits, Los Angeles, paleontologists, paleontology, Pleistocene, predators, saber teeth, saber-toothed tiger, Simon Conway Morris, skulls, Smilodon populator, teleology, University of Liege
No explanations offered, but no intelligence allowed either. Maybe scientists should stop shutting their eyes and ears to what nature wants to tell them. Source
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Fossil Friday: The Giant Armadillo Glyptodon and the Abrupt Origin of Xenarthrans

Afrotheria, America, Antarctica, anteaters, Argentina, armadillos, Astegotheriini, Cingulata, clades, Darwinists, Early Eocene, Early Eocene Climatic Optimum, Glyptodon asper, glyptodonts, La Meseta Formation, megafauna, Megalonychidae, Megatherium, Middle Ypresian, molecular clock, Natural History Museum of Vienna, New World, paleontology, pampatheres, Patagonia, Peltephilidae, phylogenetic systematics, Pilosa, placental mammals, Pleistocene, primates, Prostegotherium, Riostegotherium, science, sloths, South American Land Mammal Ages, Tubulidentata, vermilinguans, Xenarthra, xenarthrans
Should we dare to consider the possibility that something is wrong with the Darwinist assumptions? Heaven forbid! Source
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