Homework Help for Teens
Students in grades K-12 can receive specialized one-to-one tutoring help in the areas of math, science,English, social studies and writing. This service is also available in Spanish. Professional tutors are available online from 2 p.m. to midnight every day through any internet-enabled computer or mobile device.
Explore the Khan Academy's library of over 4,000 videos on everything from arithmetic to physics, finance, and history. A free world-class education for anyone anywhere.
In-depth, unbiased coverage of health, social trends, criminal justice, international affairs, education, the environment, technology, and the economy.
Detailed cultural information about the United States and countries around the world.
Information you can trust: Homework Help, Newspapers & Magazines, Sports, Entertainment, Finances, Technology, Health & Sexuality, and more!
Articles, reference books, photos, and maps for virtually every subject. Great sources for research projects.
Working on a paper at 2 a.m.? NCknows connects you to a librarian any time. By instant messaging, you will find answers, articles and more. It's easy and safe.
Explore chemistry, biology, astronomy, and myriad other subjects in-depth. Find charts, diagrams, and videos to explain complex concepts and theories. Looking for a science experiment? Start here.
Research a Topic
For more websites and databases, please visit the Research a Topic page.
Student Research Center
Magazines, newspapers, biographies, country reports, images, and encyclopedias on health, science, literature, current events, history, and more.