Tag: James Valentine

^{Type
post

Author
Casey Luskin

Date
January 9, 2026

Categories
Evolution
Intelligent Design
Paleontology
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 ›

^{Type
post

Author
Casey Luskin

Date
September 21, 2023

Categories
Botany
Evolution
Paleontology
Tagged
, Andrew Knoll, animals, annelids, arthropods, Cambrian Explosion, Charles Darwin, Charnia, Cnidaria, Darwin's Doubt, Douglas Erwin, echinoderms, Ediacaran biota, fact check, flatworms, James Valentine, On the Origin of Species, paleontology, photosynthesis, precambrian fossils, Science Alert, seafloor, Sean B. Carroll, Stephen Meyer, sunlight}

Fact Check: No, Two Teens Did NOT “Accidentally Solve” Darwin’s Dilemma

_{Casey Luskin
September 21, 2023

Botany, Evolution, Paleontology

6}

"It looked like a fern. But as a budding geologist, [UK teenager Tina] Negus knew these 600 million year old rocks were too old to host such a plant." Read More ›

^{Type
post

Author
David Coppedge

Date
July 13, 2022

Categories
Biology
Evolution
Intelligent Design
Tagged
, bilaterians, Cambrian Explosion, Cambrian News, Casey Luskin, Charles Darwin, Charles Marshall, citrate, Current Biology, David Klinghoffer, Debating Darwin's Doubt, Ediacaran Period, evolution, gene regulatory networks, Graham Budd, intelligent design, James Valentine, phenotypes, Precambrian, Richard Lenski, Stephen Meyer, The Information Enigma, Uppsala University, Vernanimalcula}

On Cambrian Explosion, Biology Journal’s Special Issue Betrays Cause for Darwin Doubts

_{David Coppedge
July 13, 2022

Biology, Evolution, Intelligent Design

14}

The strength of a theory can be gauged by how well it stands up to attacks and how well it incorporates new evidence. Read More ›