Presents esthetic criteria for judging irises. The values are typical of those held by ornamental plant breeders. In plant breeding long-term esthetic trends are often set by orchid breeders. Biophilia suggests that there is a genetic basis for at least some kinds of esthetic perception. A very important theoretical work for artists, especially those working on biological issues.
Youngs makes connections between artificial life and biological networks.
Discusses relationships between humans and domesticated animals in terms of symbiosis and parasitism. Updated April 2001.