National Academy of Sciences | 34,225 followers on LinkedIn. Society of distinguished scientists. Providing independent, objective advice to the U.S. on science & technology. | The National Academy of Sciences (NAS) is an honorific society of distinguished scholars engaged in scientific and engineering research, dedicated to the furtherance of science and technology and to their use for the general welfare. The NAS was signed into being by President Abraham Lincoln on March 3, 1863, at the height of the Civil War. As mandated in its Act of Incorporation, the NAS has, since 1863, served to "investigate, examine, experiment, and report upon any subject of science or art"​ whenever called upon to do so by any department of the government.