Searchable and downloadable old comics
Free silhouette images of animals, plants, and other life forms, available for reuse under Creative Commons licenses.
MinuteEarth is an exciting science and history channel
Photographs, illustrations and multimedia files held by the CDC (Centers for Disease Control and Prevention).
Open-access archive for nearly 2.4 million scholarly scientific articles.
Online encyclopedia, displaying 3D images of proteins and other molecules related to biology
A Tale of Software, Skateboards, and Raspberry Ice Cream!
Digital repository of multilingual stories. The site is collaborative and allows to translate the stories.
Discover nearly 2000 collections of public domain images.
Translate the many svg images from Wikimedia.
Buildable music devices
Food products database