Map Of Science is a good idea , this is still incomplete, low resolution! and also complex!, but good start for having a whole body visualization for science!

http://farm1.static.flickr.com/82/430561725_4eb7bc5d8a_o.jpg 

http://mapofscience.com/

http://www.google.com/search?hl=en&q=%22map+of+science%22

 
roozbeh sanaei

cellular and molecular bioengineering, national university of singapore