A 2012 Olympics media summit is held in Dallas and gave a behind-the-scenes look at what our athletes will be wearing.
Nike created a special shoe and insert for track and field athletes. The shoe will instantly send results, such as speed and height, to a user's smartphone.
The following five celebrity urban legends will likely live on long into the future, despite the fact that none of them is remotely true.
Whatever their reasons, more than a few stars have decided to walk away from their chosen fields only to get the itch and return -- some more than once. Take a look at some celebrities who have "unretired."