DAVID: Another review of this strange but very effective design. Other biomimetic adaptations mentioned: http://www.salvomag.com/new/articles/salvo19/19luskin.p- Biomimetics: "The list of fascinating cases where engineers have mimicked nature to develop or improve human technology goes on and on: -This is just to thank you for what indeed is a fascinating list. The inventiveness of Nature is mind-boggling, no matter what might be its source.