The news is populated by stories about every kind of carnage you can think of. Author Peter Diamandis says the human brain has evolved to pay special attention to and learn from harmful experiences so we can best avoid them and perpetuate the species, but in today's 24-hour news cycle of "if it bleeds, it leads" information, it often becomes overwhelming to the point that our perspectives are skewed, and we fail to see the positive aspects of the human condition.