Watch The Origin of Life Video

This 10 minute Video is linked in this post. Please click on the link and watch a NOVA video, Revealing the Origins of Life, that addresses the question, Where did we come from? Take brief notes on the video and include answers to the following questions: 1. What are two scientific hypotheses that were mentioned in the video about current research on the origin of life? 2. What revisions to their hypotheses did the scientists make in order to continue their research, and why were the revisions made?