Policy and research institutes are excellent places for finding well-researched information, often written by scholars but presented in accessible language. Complex ideas are distilled into understandable concepts without losing academic rigor. These are perfect resources for undergrads! Be aware that some policy institutes espouse certain biases. A quick search on Wikipedia will allow you to sort out where each stands on the issues.
Be sure to check out FIndPolicy, introduced in the box to the left. It allows you to search simultaneously multiple research and policy institutes.
A nonpartisan fact tank that informs the public about the issues, attitudes and trends shaping the world. They conduct public opinion polling, demographic research, content analysis and other data-driven social science research.
The Brookings Institution is a nonprofit organization whose mission is to conduct and present in-depth, nonpartisan research to improve policy and governance at local, national, and global levels.