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| Content:
How Stuff Works http://www.howstuffworks.com State of Illinois Museum http://www.museum.state.il.us/exhibits/athome/welcome.htm Discovery http://www.discovery.com Smithsonian http://www.si.edu/ National Geographic http://www.nationalgeographic.com/ |
| Research:
CUIP Digital Library http://www.lib.uchicago.edu/CUIP-DL/ |
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