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.
... population is spread out with 29.5% under the age of 18, 6.7% from 18 to 24, 33.6% from 25 to 44, 20.6% from 45 to 64, and 9.6% who are 65 years of age or older. The median ...