And everything was gone. Sometimes the bigger they are the bigger the price they paid, and thats certainly true of kobe bryant. With everything thats going on these days. It is sometimes easy to miss the dramatic positive changes that are happening in the world across commerce and Technology Health and the arts. Vast improvements are taking hold, driven mostly by ordinary people who dont often make headlines. But they sure do make a difference. And tonight hell meet them this is champions for change. Welcome the champions for change. Im dr. Sanjay gupta. In the next hour, youre going to meet some really innovative people. Each one quietly reshaping old ideas and dramatically improving the way we all live our lives. Later, ill introduce you to my champion for change but first, were going to hit the waves with one of hawaii is renowned surfers who also happens to be a top scientist. Hes inspiring a new way for researchers and everyone else to look at the ocean its a familial relationship