There's only one source to turn to for the answers to the most puzzling and thought-provoking questions about the world of...

The twentieth century witnessed the birth of revolutionary ideas in the phys- ical sciences. These ideas began to shake the traditional view of the universe dating back to the days of Newton, even to the days of Galileo. Albert Ein- stein is usually identified as the creator of the relativity theory, a theory that is used to model the...

The essays in A Companion to Rhetoric and Rhetorical Criticism explore rhetoric as a practical art of deliberation and judgment, best taught and learned through concrete examples of argument, interpretation, and criticism. Historically and in our own time scholars have shown that rhetoric can very well be theorized in the strong sense that...

Biology is based on the fundamental laws of nature embodied in chemistry and physics, but the origin and evolution of life on earth were historical events. This makes biology more like astronomy than like chemistry and physics. Neither the organization of the universe nor life as we know it had to evolve as it did. Chance played a central...

Humans still obtain the vast majority of their sensory input through their visual system, and an enormous effort has been made to artificially enhance this sense. Eyeglasses, binoculars, telescopes, radar, infrared sensors, and photomultipliers all function to improve our view of the world and the universe. We even have telescopes in orbit...