A quick Google search found this:
http://www.the-scientist.com/?articles.view/articleNo/41072/...
"At present, researchers can choose an open-access option when submitting a manuscript to the journal, selecting one of three publishing licenses: Creative Commons Attribution 3.0 Unported (CC BY), the more restrictive Creative Commons Attribution-NonCommercial-No Derivs 3.0 Unported (CC BY-NC-ND), or Attribution-NonCommercial-ShareAlike 3.0 Unported (CC BY-NC-SA). Authors pay a fee of $5,200 to publish a study under a CC BY license, and $4,800 for each of the other two... Update (September 23): After this article was published, Nature Publishing Group's Amy Bourke responded to The Scientist, noting the flat article processing charge (APC) to publish in Nature Communications: $5,200"
Edit: other users seem to note that the journal is very reputable. I do not know myself, was reporting my apartment mate's reaction since he is much more knowledgeable in the area. It is clear from conversation I mis-understood his response. Apologies.