Explore Our 175th Anniversary Issue

Highlights from 175 Years of Discoveries   Dear Reader, We’re celebrating our 175th birthday with a special issue. Scientific American began publishing in August 1845, and 175 years later we’re still bringing you the most fascinating and important stories in science. Along the way we’ve covered many, if not most, of the significant technical, medical and scientific developments of the day. In our interactive timeline, explore some of the greatest achievements of the modern world picked from about a quarter of a million pages. You can also search a 4,000-word database drawn from our entire history to learn how the language of science evolved over time. Science has shaped the modern world, and we look forward to covering how it shapes the future.

Wishing you good health, Laura Helmuth Editor-in-Chief

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