This book covers a wide range of topics under the vast umbrella of biology, the study of life. Students will learn about the methods and applications of the field through an exploration of disciplines, such as neurology, genetics, and virology. The newly revised edition uses scientific journal articles, reports, and press releases to offer the latest from key scientists and researchers in the field. Chapters include Brain Imaging: Searching for Sites of Perception and Consciousness; The Human Genome in Health and Disease; Protein Structure and Function; Biodiversity-The Complexity of Life; The Biology and Evolution of Viruses; and Regeneration-Healing by Regrowing.