When you look at the individual steps in the development of life, Darwins explanation is difficult to disprove, because some selective advantage can be imagined in almost anything. Like every other scheme designed to violate the second law [of thermodynamics], it is only when you look at the net result that it becomes obvious it wont work. Granville Sewall, professor of mathematics at Texas A&M University, Appendix D of textbook, The Numerical Solution of Ordinary and Partial Differential Equations, 2nd ed. (John Wiley & Sons, 2005)