1. Article of the Future: http://www.articleofthefuture.com/.
2. CanvasMol: http://alteredqualia.com/canvasmol/l.
3. Jmol: http://jmol.sourceforge.net/.
4. MathJax: http://www.mathjax.org/.
5. RCSB Protein Data Bank: http://www.rcsb.org/pdb/home/home.do.