Amazon.com description: Product Description: James Trefil takes the reader on a thrilling tour across the borders of current scientific knowledge. From astronomy to genetics, from information technology to cosmology, he surveys the great contested questions that preoccupy researchers today and will become the headlines of tomorrow. In a series of elegant three-page summations, written with wit and wisdom, Dr. Trefil predicts the course of future breakthroughs over the whole range of the sciences. The Edge of the Unknown asks and answers such questions as: Is there an asteroid in our future? What's the likelihood of discovering proof of extraterrestrial intelligence? Can we reasonably hope to cure brain tumors with an injection? What's the future of "designer drugs" and DNA repair? Will we ever understand consciousness? Are physicists on the verge of discovering the origin of the universe? How worried should we be about killer bees and mutant viruses? The Edge of the Unknown is the perfect book and ideal gift for browsers of the s