Want to find out what's hot and what's not in any given research area without actually having to read all the papers? Read on. Chaomei Chen, associate professor at the College of Information Science and Technology at Drexel University in Philadelphia, USA, has developed software called CITESPACE, analyzes how the co-citation relationships change over time. He published a research paper recently in PNAS Online, which is available at http://www.pnas.org/cgi/reprint/0307513100v1.pdf The news item can be read at http://www.chemweb.com/alchem/articles/1066208793352.html or at http://gateways.bmn.com/sreport/previous?day=040122&story=1 Regards. Madhuresh Singhal Aurigene Discovery Technologies Limited, Electronic City, phase II, Hosur Road, Bangalore 562 158 Phone 8521314-16 Ext.- 422 Mobile 98861 82822 Fax 852 6285 E-mail: madhureshsinghal@yahoo.com http://nettalk2.tripod.com/