Thoughtful examination of evolution which examines why humans, like many other organims, have persisted with certain adaptations which on the face of it seem redundant, arbitrary or malfunctional. Williams also asks whether humans have reached the end of their evolution, arguing that there is always room for improvement! Using examples like the pony fish, with its luminescent abdomen, as a perfect evolutionary mystery, Williams explores the many intricacies of nature's designs.
- Introduction: Plan and Purpose in Nature
- Adaptionist Storytelling
- Functional Design and Natural Selection
- Design for What?
- The Adaptive Body
- What Use is Sex?
- The Human Experience of Sex and Reproduction
- Old Age and Other Curses
- Medical Implications
- Philosophical Implications