Are you interested in everything science? Then there are lots of websites for you to find interesting information. But the problem is that there is so many sites and who has the time to check them all out and find the really good ones? Or even to find new interesting science websites?
Three Link Directory is a manual operated directory that handpicks quality links in thousands of categories, including science. In this web directory you will find science related links in all types of sciences like astronomy, biology, chemistry and physics to name a few. But there are lots of more quality links.
And if you are into science, you probably also are interested in reference sites. If so, you should really check out the comprehensive list of links to quality reference sites on Three Link Directory.
There you will find links to great sites in subjects like almanacs, encyclopedias and lots of other useful reference sites.