"The known is finite, the unknown infinite; intellectually we stand on an islet in the midst of an illimitable ocean of inexplicability." —Thomas Henry Huxley (1825-1895) Every mountain, river, and valley; all the birds and human beings, the Sahara desert… all that was, that is, and will be, was at one time united in a single tiny and fiery point. So infinitely dense and fiery that our mortal imagination will perhaps never be able to comprehend it all. Millions of billions of tons of matter together with all the energy of the great universe, beginning to expand and break apart...