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Millions of images are available for you to use in your class papers or presentations.
Over three million images, with a vast range of subjects. All images are rights cleared for educational use.
Creative Commons Flickr Images
Images that you can use for free under Creative Commons licenses. The search page explains the Creative Commons system.
Biology Videos on Films On Demand
A browsing search. Click "Subject" in the Filters list to narrow the scope of the videos.
Genome: Unlocking Life's Code
Collection of illustrations relating to genetics. All illustrations are in the public domain. A joint project of the Smithsonian Institution and the National Institutes of Health.