One hundred years ago, Harvard President Charles Eliot declared that all the books you need for a complete liberal arts education could fit on a five-foot shelf. We asked you to come up with some updates. Jeb Sharp reads a couple of the suggestions.
The World's Mary Kay Magistad reports on Southeast Asia's largest lake ? Cambodia's Tonle Sap ? and why environmentalists are worried about its future. Dams, logging and overfishing are some of the factors threatening the lake's ecosystem.