National Academy of Sciences
The National Academy of Sciences ( NAS) is part of the U.S. National Academies. It was established with Abraham Lincoln's signature on March 3, 1863 in life. It is an honor society ( " honorific society" ), consisting of leading scientists from different disciplines, which advises the U.S. government and its agencies on scientific issues and investigations carried out. The tasks of the NAS were defined by the by the U.S. Congress in 1863 adopted "Act of Incorporation " and has since adopted some additives.
The official organ of the NAS are the Proceedings of the National Academy of Sciences (PNAS ).