Is your head being filled with nonsense?


Ratio is a forum for popular science, held in Sofia, Bulgaria. Its goal is to promote rational, scientific, critical thought, through its lectures. These clever posters promoted the forum theme: “Is your head being filled with nonsense?”
Ogilvy & Mather Sofia produced them, with art direction & post-process by Emanuela Belovarski, and photography by Ivaylo Petrov. Found them on



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