The Power of "Publishers Weekly."

Paleontologist and evolutionary biologist Stephen Jay Gould. Gould is a professor of geology and curator at the Museum of Comparative Zoology at Harvard. He writes columns for "Natural History Magazine" and "Discover Magazine," and has written several books, including the award-winning "The Mismeasure of Man." Gould uses his writing and teaching to illuminate and demystify the scientific method and to provide a historical perspective on science for the layman.

Rock critic Ken Tucker reviews two new albums: "Wild Weekend" by NRBQ and "The People's Republic of Rock n Roll" by Peter Stampfel and the Bottle Caps. Ken says while they may not have much in common, both are critically-acclaimed cult groups releasing albums after a long silence.

Anthropologist Richard Nelson. His new book, "The Island Within," is an account of Nelson's explorations of an uninhabited island near his Pacific Northwest home.