Ask the Expert

Scientific American covers the advances in research and discovery that are changing our understanding of the world and shaping our lives. Founded in 1845, it is the oldest continuously published magazine in the United States and now reaches more than 10 million people around the world each month through its website, print and digital editions, newsletters, and app. Authoritative and engaging features, news, and opinion pieces; and multimedia stories from journalists and expert authors—including more than 200 Nobel Prize winners—provide need-to-know coverage, insights, and illumination of the most important developments at the intersection of science and society. Scientific American is published by Springer Nature. As a research publisher, Springer Nature is home to other trusted brands including Springer, Nature Research, BMC, and Palgrave Macmillan.