In reply to Harvard scientists create type with DNA:
Was about to create a new post about this news, but will instead simply point you to this alternative news source:
http://gizmodo.com/5914780/harvard-scientists-make-graphic-designers-loo...
The letter blocks are 64-by-103 nanometers.
Also, the article in Nature is here:
http://www.nature.com/nature/journal/v485/n7400/full/nature11075.html
This also makes me wish IBM had gone ahead and made a font from the work they did on the atomic logo:
http://www-03.ibm.com/ibm/history/exhibits/vintage/vintage_4506VV1003.html
http://www-03.ibm.com/press/us/en/photo/28500.wss
Not sure Stanford could have completed the task with their even smaller technique:
http://www.sciencedaily.com/releases/2009/01/090130154918.htm