Nature by Numbers

A gorgeous animation about the patterns and mathematics found in nature.

Robert Hooke’s Micrographia

These engravings are from Robert Hooke's 17th century book, "Micrographia".  The National Library of Medicine has an incredible website, in which you can flip through historic books such as this.

Robert Hooke (1635-1703) was an artist, biologist, physicist, engineer, architect, inventor and much else; a man who rubbed shoulders with many of the great minds of his time, and quarreled with most of them. Micrographia: or Some Physiological Descriptions of Minute Bodies made by Magnifying Glasses was Hooke's masterpiece, an exquisitely illustrated introduction to the microscopic world that lay all around

http://archive.nlm.nih.gov/proj/ttp/books.htm