PT - JOURNAL ARTICLE AU - Gough, Nancy R. TI - Focus Issue: Measurement on a Small Scale AID - 10.1126/stke.3272006eg4 DP - 2006 Mar 21 TA - Science's STKE PG - eg4--eg4 VI - 2006 IP - 327 4099 - http://stke.sciencemag.org/content/2006/327/eg4.short 4100 - http://stke.sciencemag.org/content/2006/327/eg4.full SO - Sci. STKE2006 Mar 21; 2006 AB - This week’s issues of Science and Science’s STKE focus on how instrumentation is advancing investigation of biological questions. Science highlights how advances in detection methods are revealing the chemical aspects of biology, and STKE addresses techniques for single-molecule tracking and approaches to better understanding the interaction of cells with nanoparticles.