Copying Mother Nature
Biomimicry looks to nature and natural systems for inspiration. After millions of years of tinkering, Mother Nature has worked out some effective processes. In nature, there is no such thing as waste — anything left over from one animal or plant is food for another species. Inefficiency doesn't last long in nature, and human engineers and designers often look there for solutions to modern problems. Here are seven striking examples of biomimicry.
Editor's note: This slideshow has been updated since it was originally published in February 2010.