Scientific American (1948 to present)
Scientific American is the award-winning authoritative source for the science discoveries and technology innovations that matter. It is the longest continuously published magazine in the U.S., has been bringing its readers unique insights about developments in science and technology for more than 170 years. Founded in 1845, the magazine chronicled major discoveries and inventions in science usually in advance of any other publication. More than 150 Nobel laureates have written for Scientific American, most of whom wrote about their prize-winning works years before being recognized by the Nobel Committee. Publication is weekly.