Published six times per year, the current edition is provided in full text form on the website, together with the content lists for the back issues. Several longer articles from the CTAF97 fluorine chemistry conference can be downloaded in PDF format. A username and password is available at no charge, but users may subscribe to the CD-ROM version at a cost. Authors are also encouraged to submit product samples to Molecular Diversity Preservation International, a non-product company based in Switzerland. Journal articles are available predominantly in PDF format for which Adobe Acrobat Reader is required, but also as HTML files where applicable.
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Updated daily, the website contains articles, news and features from the current issue, together with comprehensive archives. There is a large jobs database, plus letters pages, editorial comment, conference and meeting reports and special web-only areas such as science books, arts and features. Started in 1845, Scientific American is one of the oldest scientific publications available.