The Edge of Evolution: Why Darwin's Mechanism Is Self-Limiting

As we've discussed extensively here over the past week, a recent paper confirms a key inference I made in 2007 in The Edge of Evolution. Summers et al. 2014 conclude that "the minimum requirement for (low) [chloroquine] transport activity ... is two mutations." This is the last of my three posts on the matter. The first may be found here and the second here. Casey Luskin's remarks are here.

Looking down from an airplane at 30,000 feet, the landscape can appear pretty smooth. It can be hard to...