http://www.twis.org/science/education/

http://medlineplus.gov/

Find Almost Anyone!

http://www.infoplease.com/people.html

Works of ART from Ancient to Modern

http://www.artcyclopedia.com/

Every country; everywhere!

https://www.cia.gov/library/publications/the-world-factbook/index.html

Issues and social change

http://www.publicagenda.org/

All About the USA

http://www.fedstats.gov/