Ontogenetic Depth 2.0: The Prequel

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 […]

An Exercise on the Eve of Paul Nelson Day 2010

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 […]

Seeing Ghosts in the Bushes (Part 2): How Is Common Descent Tested?

If that dictum looks like a bumper sticker, I apologize — but it’s true all the same. Most of the philosophy of science can be captured by a handful of bumper stickers. Anyway, keep the dictum in mind. In this second installment of the “Seeing Ghosts in the Bushes” blog series — part 1 is […]