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Mathematics and HIV. In anticipation of the 19th International AIDS Conference — being held in Washington, D.C., July 22-27 — Work in Progress is turning its attention to the upcoming collection of articles on HIV Treatment as Prevention published this week. I’ll have several posts here about the collection, looking at some of the concepts behind the work being presented, and then delving into specific articles in the collection. (See a Los Angeles Times article on the collection here.)

Woven throughout the collection is the use of mathematical modeling as a way to evaluate the impact of potential interventions that could diminish the spread of HIV/AIDS. Phylogenomics of Prokaryotic Ribosomal Proteins. Citation: Yutin N, Puigbò P, Koonin EV, Wolf YI (2012) Phylogenomics of Prokaryotic Ribosomal Proteins.

Phylogenomics of Prokaryotic Ribosomal Proteins

PLoS ONE 7(5): e36972. doi:10.1371/journal.pone.0036972 Editor: Olivier Lespinet, Université Paris-Sud, France Received: November 23, 2011; Accepted: April 16, 2012; Published: May 16, 2012. Alternative metrics, article-level-metrics, altmetrics · leclercfl. PLoS Biology : Publishing science, accelerating research. PLoS Journals Sandbox: A Place to Learn and Play. Background On the eve of PLOS' tenth anniversary, we’re pleased to announce that the redesign of all PLOS journals is now live.

PLoS Journals Sandbox: A Place to Learn and Play

The goals of the project were to: Improve reader ability to quickly assess the relevance and importance of an article through a figure browser and highly visible article-level metricsd. Improve navigation within the site and discoverability of content. The Development of Open Access Journal Publishing from 1993 to 2009. Open Access (OA) is a model for publishing scholarly peer reviewed journals, made possible by the Internet.

The Development of Open Access Journal Publishing from 1993 to 2009

The full text of OA journals and articles can be freely read, as the publishing is funded through means other than subscriptions. Empirical research concerning the quantitative development of OA publishing has so far consisted of scattered individual studies providing brief snapshots, using varying methods and data sources. This study adopts a systematic method for studying the development of OA journals from their beginnings in the early 1990s until 2009. Because no comprehensive index of OA articles exists, systematic manual data collection from journal web sites was conducted based on journal-level data extracted from the Directory of Open Access Journals (DOAJ).