The American Association for the Advancement of Science, "Triple A-S" (AAAS), is the world's largest general scientific society, publisher of the journal Science.
Its mission is to advance science and innovation throughout the world for the benefit of mankind.
... of all households are made up of individuals and 16.8% have someone living alone who is 65 years of age or older. The average household size is 2.47 and the average ...