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The Editor is always glad to receive for examination illustrated ariicles on subj ects of timely interest. If the photographs are sharp. the ariicles short, 8Jld the facts authentic, the contributions Will receive special at tention. Accepted articles will be paid for at regular space rates.doi:10.1038/scientificamerican08291908-134 fatcat:wuknfijvqje5ni57r2kwutgaqi