Adam Carter’s Reviews > Contingency and Convergence: Toward a Cosmic Biology of Body and Mind > Status Update

The collision that killed the dinosaurs is what Powell calls a non-merit based selective event because it picks winners that would otherwise not have an adaptive advantage. Gould believes such events send evolution down an otherwise unpredictable path. Powell claRifies this idea. Only criticism: analogies and examples which would help orient the reader are unhelpfully given at the end of a section.