1) The document discusses the use of scientific imagery in higher education. Visuals can engage people and aid memory and recall compared to text alone. 2) Different types of images are classified, including static images, illustrations, photographs, animations, videos and more. Images serve instructional functions like informing, engaging, and bridging print and digital media. 3) The university's image library provides images for educational use, selecting from Creative Commons, free royalty, and rights-managed sources. Examples show how 3D imagery, graphs, and photographs can be used for learning.