For those interested in the history and philosophy of origins and in the present controversy over the “establishment” understanding, this is a helpful book. For those wishing to have a better understanding of DNA and a “simple cell,” this is an astonishing book. For those who wish to honestly consider what is the best explanation for the origin of specified complex information found in living things, this is an invaluable book. For those who have for whatever reason gravitated to the general proposition that design seems to make intuitive sense, this is an essential book so you can appreciate there is a scientific foundation for your belief. For those who disagree with intelligent design this is the crucial book you Read More ›

Nature has recently published an interesting paper which places severe limits on Darwinian evolution. The manuscript, from the laboratory of Joseph Thornton at the University of Oregon, is titled “An epistatic ratchet constrains the direction of glucocorticoid receptor evolution”. The work is interpreted by its authors within a standard Darwinian framework, but the results line up very well with arguments I made in The Edge of Evolution. This is the last of three posts discussing it. (see here and here) Bridgham et al (2009) are interested in the reversibility of evolution, and discuss their results in terms of something called “Dollo’s law.” Louis Dollo, an early 20th century paleobiologist, was interested in discerning phylogenies. He maintained that one could always Read More ›