Science teachers looking to enhance their curriculum with stimulating online content will be sure to find the Howard Hughes Medical Institute’s Educational Materials website quite useful. One of the main offerings here, HHMI’s Biointeractive, provides a wealth of resources including animations, videos, interactive resources, teacher’s guides, podcasts, and more. Topics include health, anatomy, genetics, biotechnology, and careers in science. As if that weren’t enough to entice instructors, the full text of the HHMI bulletin is also available on the main section of the site. Back issues date to 2007 and may be viewed online or downloaded in PDF format. Overall, this is an excellent website with many useful and interesting resources for researchers, instructors, and students alike. [AHT]