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The prestigious journal Science has chosen the ten most important research projects of 2011, two of which included significant participation from centers in Catalonia and another that was spearheaded by a center in Valencia. This is the first time that scientific personnel from Catalan-speaking territories have been valued so highly in this journal’s annual selection, as can be seen on the Government of Catalonia Secretariat for Universities and Research’s Recercat website.

For the editors of Science, the most significant scientific breakthrough of 2011 was the clinical trial conducted by the University of North Carolina (United States) that has shown that antiretroviral drugs don’t only treat the HIV infection but also help prevent transmission of the virus. The study is entitled HIV treatment as prevention.

The nine finalists, which are not classified or ranked, include:

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