This month, WormBook was pleased to launch its Disease models and drug discovery section with the publication of “Obesity and the regulation of fat metabolism“. Additionally, “The cuticle” was added to the Cell biology section and the Developmental control section expanded its coverage of early developmental events with the publication of “The C. elegans intestine“. In order to find out about new additions to WormBook, please sign up at www.wormbook.org/announce.html or access the WormBook RSS feed. Also, if you have not yet completed the WormBook Reader Survey, please take a few minutes to do so.