Its staff and contributors use courses, mass media, special events and books to debunk pseudo-scientific myths and improve scientific literacy.

[9] With the proliferation of misleading or fraudulent health information online, the organization added the production of internet videos to its public communication activities.

One video gained international attention in July 2018, when it got promoted by skeptics with a large online presence such as David Gorski, Susan Gerbic and Kavin Senapathy, as well as comedian Scott Rogowsky, and quickly reached 10 million hits.

Imitating the format of others that promote false cures for cancer, the OSS video tells of a medical discovery by one Johan R. Tarjany (an anagram of Jonathan Jarry) before inviting the watcher to be skeptical and to ask questions.

[10][11][12][13][14][15][16][17] In 2019, Jarry and the OSS released a survey of 150 Montreal pharmacies, finding that 2/3 carried a pseudoscientific and ineffective homeopathic flu remedy called Oscillococcinum.