AP Photo

What does the future have in store for the human race? Evolution, as the past 4 billion years have repeatedly illustrated, holds an endless supply of tricks up its long and ancient sleeve. Anything is possible, given enough millennia. Inevitably the forces of natural selection will require us to branch out into differentiated versions of our current selves, like so many Galápagos finches... assuming, that is, that we have enough time to leave our evolution to our genes.