From the pages of "Scientific American "comes the latest information and explorations into the futuristic world of biotechnology. -Recent breakthroughs in human longevity and life extension-Tissue engineering and the regeneration of limbs and organs-Biochemistry, from transgenic crops to biological warfare-The results and ramifications of the Human Genome Project-The current and future state of cloning and artificial wombs-Radical biotech: head transplants,...