Using String Theory concepts, logical explanations are suggested for some of the most interesting unanswered questions in science including: How did the Big Bang start? Where did the mass and energy in the universe come from? What started and stopped inflation? Will our universe expand forever or crunch back? What are at the centers of galaxies and how did they form? Do external universes exist? How does Quantum Entanglement work? What are Dark Energy and Dark Matter? Where do your consciousness and personality come from?