American Chemical Society, an organization of chemists and chemical engineers. It is the largest scientific society in the world. Its aims include the encouragement of research; the raising of the standards of professional ethics, education, and achievement; and the increase and spread of chemical knowledge. The society has over 30 professional divisions. Its numerous publications include Chemical and Engineering News, Journal of the American Chemical Society, and Chemical Reviews. The society was founded in 1876. Membership is over 160,000 in the United States and Puerto Rico. Headquarters are in Washington, D.C.
He is famous for a phrase he never said, for wearing turtlenecks and for hosting the original 'Cosmos' TV series. As enthusiastic about the stars as he was about marijuana, Carl Sagan led a very surprising life. Here are 10 cool facts.
So much of our cosmological history starts with the much-discussed big bang, but what led up to that cataclysmic moment? And did time even exist back then?