This educational search engine was created by librarians and is organized by topics like society and government, machines and transportation, health and family, facts and reference, and a lot more.
The Library of Congress' American culture and history reference site features topics like environment and conservation, immigration, women's history, Presidents, religion, maps, literature, African American history and others.
Search for a specific word to bring up funny quotations and a definition, or you can browse categories and sub categories like aging and death, hacking and hackers, entrepreneurs, jargon and buzzwords, art and design, drugs, euphemisms, sleeping or cell phones.