Thinkfinity.org, formerly Marco Polo, is home to an amazing consortium of web resources for education:
- ArtsEdge – for arts integration, from the Kennedy Center
- EconEdLink – economics
- EdSiteMent – humanities, from the National Endowment for Humanities
- Illuminations – math, from NCTM
- Read-Write-Think – literacy from NCTE
- Science NetLinks – science
- XPeditions – geography, from National Geographic
- Smithsonian Museum of American History
These sites offer excellent reference information, as well as links to online activities and other reputable educational sites on the web.