By Michael E. Sallais, senior editor, education editor, editor-in-chief, and science reporterNational Geographic magazine (NGM)Science, Education, Technology and the Environment, Vol.

39, Issue 3, p. 1September 10, 2018 by Michael E SallaasAuthor(s):Peter G. Riggs and Jennifer E. TischThis article is part of National Geographic’s Science, Education and Technology in Education series, which is supported by the Pulitzer Center on Crisis Reporting, the John D. and Catherine T. MacArthur Foundation, the Ford Foundation, and the National Science Foundation.