Since 2003, the Smithsonian Institute has provided this topical online weekly newsletter to those persons interested in learning about the latest scientific discoveries and endeavors that have originated from any one of its various institutions. Visitors to the site will want to browse through the most recent newsletters, and they may also wish to search the previous newsletters by keyword or by browsing entire back issues. Some of the more recent pieces include information about the recent success story of the Florida panther, supernovae, and the river channels on the planet Mars. Each issue also contains information about recent publications in which the research appeared, and in select instances, also includes links to the full text document. Overall, this electronic newsletter will be of great interest to teachers, students, and the general public.