FYI, if you are interested in a straight list of the APIs, you can browse them here: http://code.google.com/more/ http://code.google.com/more/ I believe the pe

FYI, if you are interested in a straight list of the APIs, you can browse them here: http://code.google.com/more/ http://code.google.com/more/ I believe the periodic table data is based on or generated from that list. We do have quite a few APIs over overlapping areas, so the periodic table is a nice alternative way to get a feel for them.