AccessScience Search for definitions and background information on science topics from The McGraw-Hill Encyclopedia of Science & Technology, McGraw-Hill Yearbooks of Science & Technology, McGraw-Hill Dictionary of Scientific and Technical Terms, and the Hutchinson Dictionary of Scientific Biography. Now includes current news about relevant concepts in science and technology; text and video biographies of well-known scientific figures; images, videos, and animations illustrating key concepts, nine textbooks, and 11 Schaum's Outlines.