For the past few months, Examiner.com has been exploring ways to improve the quality of its news, and today it issued the first in a series of white papers outlining how it intends to do that.

FORBES: Can a Content Farm Do Quality? How Examiner's Trying

Once the data was amassed, the correlation became clear: when coauthors were closer together, their papers tended to be of significantly higher quality.

NEWYORKER: Groupthink

Ms Quigley points to a review of 9, 000 research papers conducted by the Agency for Healthcare Research and Quality in 2007.

BBC: Baby breast feeding