 Building the Population Bomb
Across the twentieth century, Earth's human population increased undeniably quickly, rising from 1.6 billion people in 1900 to 6.1 billion in 2000. As population grew, it also began to take the blame for some of the world's most serious problems, from global poverty to environmental
degradation, and became an object of ... |  |  |  |  Breathing: An Inspired History
Our knowledge of breathing has shaped our social history and philosophical beliefs since prehistory. Breathing occupied a spiritual status for the ancients, while today it is central to the practice of many forms of meditation, like Yoga. Over time physicians, scientists, and engineers have pieced together the intricate biological mechanisms of... |