Is science as global as we think?

Author Posting. © The Author(s), 2005. This is the author's version of the work. It is posted here by permission of Elsevier B. V. for personal use, not for redistribution. The definitive version was published in Trends in Ecology and Evolution 20 (2005): 475-476, doi:10.1016/j.tree.2005.07.003.A cornerstone of scientific practice is the perceived freedom with which knowledge is disseminated. But does the scientific community make good use of all that is available? Researchers have, on occasion, been accused of preferentially citing the work of colleagues close to home while ignoring those from other parts of the world