dr. jordan beck beck letter has discovered local rivers could of mexico which helps red tied form. he's conducting groundbreaking research to hopefully find new ways to predict and combat red tied. >>> the best thing that we can aim to do is really try to understand the system, provide better prediction. obviously through understanding the system better. and perhaps lessen the burden on folks that may be affected by it. >> dr. beck letter just received a two-year research project. >>> black friday is just four days way, but some big sales are already underway. that made us wonder is black friday still the biggest shopping day of the year? jana jones talked with shoppers what did the shoppers have to say. >>reporter: it was surprising to see how many people were out and about shopping already, but they told me that's because they were getting the same deals today as they felt that they could get on friday, but best buy who are camping out in tents saying that these are deals that you just can't pass up. some people have already made their list and checked it twice before black frida