A COSMIC CONUNDRUM—This astonishing book follows our ascendancy from just another hominin on the open African savannah to the alpha hegemon on Earth today endangering its entire future. Along the way, humans methodically outwitted their competition with phenomenal efficiency and indifference, to emerge in the modern 21st century as the linchpin of a major mass extinction of countless other lifeforms cohabiting their planet with them. The shredding of our fragile ecosphere by massive prolif...