Two new chapters have been added to the Neurophysiological methods section of WormBook: “Culture of embryonic C. elegans cells for electrophysiological and pharmacological analyses” and “Electrophysiological recordings from the neuromuscular junction of C. elegans”. Additionally, “Chemosensation in C. elegans” has just been published in the Neurobiology and behavior section of WormBook. To stay up-to-date, sign up for a monthly email containing information about new additions to WormBook.