Nature News: The latest in a string of high-profile academic fraud cases in China underscores the problems of an academic-evaluation system that places disproportionate emphasis on publications, critics say.Editors at the UK-based journal Acta Crystallographica Section E last month retracted 70 published crystal structures that they allege are fabrications by researchers at Jinggangshan University in Jiangxi province. Further retractions, the editors say, are likely.Several sources revealed to Nature that roughly one-third of more than 6000 scientists surveyed across six top institutions admitted to plagiarism, falsification, or fabrication.In a related news story, Katharine Sanderson discovers that a new publication by US–Chinese company Scientific Research called Journal of Modern Physics had copied papers from the UK’s Institute of Physics open-access New Journal of Physics.