The Cosmos is all that is or was or ever will be. Our feeblest contemplations of the Cosmos stir us – there is a tingling in the spine, a catch in the voice, a faint sensation, as if a distant memory, of falling from a height. We know we are approaching the greatest of mysteries.
-Carl Sagan, Cosmos
The question of the world that we find ourselves in, as well as our role within it, is one that has fueled debate for many centuries. What answer we give to it will have implications about who we are, why we are, and perhaps even how we should be...