The Huxley File
A site devoted to Thomas Henry Huxley and covering the many subject on which he wrote – fields ranging from the design of marine invertebrate structure to the design of a good human society.
A web version of Raymond Gordon's textbook on languages of the world. The full text is listed here.
Dartmouth's Gross Brain Atlas
Click on the lovely pictures to get a description of what part of the brain you are selecting along with what function that part performs.
Finally, here are a couple more good directories for you guys to check out:
Academic Info - lots of good test preparation resources here as well (SAT, GRE, LSAT, etc.).
Science News Blog Links