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A daptation and Natural Selection began as a polemic. In the s, the evolutionary biolo-Wright had combined Darwinian natural selection with Mendelian genetics to develop a rigorous mathematical evolutionary theory. But thirty years after this " modern synthesis, " George Williams found that evolutionary thought had grown flabby and popular understanding(More)
Diseases result usually from webs of interacting causes of enormous complexity, while human minds seek explanatory principles of extraordinary simplicity. This conflict gives rise to a central problem for medicine. Explanations of disease, and most programmes of medical research , tend to emphasize a single cause, while most diseases result from multiple(More)
The Prisoner's Dilemma has long been the paradigm for modeling cooperation in a competitive environment. The classical version, in which both agents simultaneously choose to cooperate or to defect, is unnecessarily artificial. The stochastic Alternating Prisoner's Dilemma in which choices are made sequentially and mistakes are possible is more faithful to(More)