When Charles Darwin published On the Origin of Species in 1859, he exposed the world to a momentous discovery . For the first time in history, human beings were seen not as creatures of divine origin, but instead, as a product of nature, an animal li...
Human beings are not inevitable, and our brief existence is not preordained to be extended into the distant future. If Homo sapiens is to have a continued presence on earth, humankind will reevaluate its sense of place in the world and modify its str...