Scientists unlock Zen garden's secrets. (It's supposed to hold secrets! mho)
A fun read: http://msnbc.com/news/812820.asp
Sure, in the 'empty' spaces could be branches of a tree... or even roads that lead the viewer to different paths.
This one's nice too:
http://antwrp.gsfc.nasa.gov/apod/ap020925.html
Marcia
