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President’s Day Sale “There is nothing which can better deserve our patronage than the promotion of science and literature. Knowledge is in every country the surest basis of public happiness.” —George Washington, Address to Congress, January 8, 1790 Celebrate President’s Day with 20% off sitewide.* With monthly subscriptions, single issues, collector’s editions, gifts and more, Scientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives.   SHOP NOW *Excludes ebooks and cruises. Follow us To view this email as a web page, go here.   You received this email because you opted-in to receive email from Scientific American. To ensure delivery please add news@email.scientificamerican.com to your address book. Unsubscribe Manage Email Preferences Privacy Policy Contact Us