Does geometry play a role in the genetic code? Rafiki says yes:

http://www.codefun.com/

Ed Pegg's site, one of the best math puzzle
sites on the web
http://www.mathpuzzle.com/

Jill Britton's wonderful site with
lots of tessellations

http://britton.disted.camosun.bc.ca/jbsymteslk.htm

Simple and elegant ball and stick modeling system
which allows anyone to build beautiful
geometric models with little effort

http://www.zometool.com/

Sacred Geometry Site of Bruce Rawles:



http://www.geometrycode.com/sg/index.shtml

Totally Tessellated - A comprehensive introduction
to tessellations (tilings)



http://library.thinkquest.org/16661/index2.html