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The National Academy of Sciences is a private,nonprofit,self-perpetuating 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.Upon the
authority of the charter granted to it by the Congress in 1863,the Academy has a mandate
that requires it to advise the federal government on scientific and technical matters.Dr.
Ralph J.Cicerone is president of the National Academy of Sciences.