passing along a review from The Homeschool Mom newsletter:http://www.amnh.org/ology/
From DNA to how water makes it from the watershed to your faucet, the Ology site covers a variety of science topics in engaging ways.
Kids will enjoy the Flash interface and you will like the range of topics.
The site includes interviews with scientists in a variety of fields, polls, projects, experiments, and more.
Sponsored by the American Museum of Natural History.
You can sign up for The Homeschool Mom e-newsletters, too, @ http://www.thehomeschoolmom.com/