One of the world's largest multidisciplinary scientific society and a leading publisher of cutting-edge research through its Science family of journals, AAAS has individual members in more than 91 countries around the globe. Membership is open to anyone who shares our goals and belief that science, technology, engineering, and mathematics can help solve many of the challenges the world faces today. You can lend your support to our efforts on behalf of scientists, engineers, educators, and students everywhere by becoming a member. Together we can make a difference