Transport yourself back in time six hundred years. Look up into the sky and see the sun. You don't know what it is but you know it gives off huge amounts of heat and light—enough to warm and illuminate the entire planet. As you gaze at this celestial monster there is one thing you...

Let's do a thought experiment. I'll start by inventing a god, I'm going to call her Ninfinity. She is very beautiful and she will answer your prayers. Not every prayer though, she will first decide if you are deserving and if you really believe in her. If you are, she will definitely...