Ontongenetic depth explained — and a challenge for PZ Myers.
The theory of evolution by natural selection does not explain the origin of animal form, because natural selection cannot account for origin de novo of the developmental stages required to construct (i.e., evolve) animals.
In public debates (and personal discussions) with Michael Shermer and Massimo Pigliucci, I’ve met an argument, advanced by both skeptics, which opens interesting and largely unexplored territory in the ID vs. naturalism controversy. In a new article, the science writer and astronomer John Gribbin steps into the same territory, a speculative region familiar to fans […]
Okay. First admit the obvious. Ontogenetic Depth (OD) 1.0 was — well, it would be beyond charitable to say utterly inadequate. I realized this not long after reading PZ Myers’ first wave of criticisms. As I’ll explain, however, my realization stemmed not from Myers’ specific points (most of which were either minor quibbles, or missed […]
A few years ago, P.Z. Myers — with his Mencken-like genius for the memorable putdown — devised “Paul Nelson Day,” aka April 7, to record my annual failure to follow up on a promise to elucidate “ontogenetic depth,” a notion I floated in 2003. Much as I enjoy having my own day and all, I […]