First published in 1859, Charles Darwin's theory of evolution inalterably transformed our view of the history of life on the planet--and along with it, how we understand ourselves, our origins, and our place in the world. As we stand before the dawn of a new century, this theory is still the source of heated debate. In medicine, psychology, sociology, and politics, controversial new ideas are being espoused to claim Darwin for their legitimacy, while religious opponents continue to press for their alternative theory of "creationism" to be taught...