The new technology that shows the ball just barely crossed into the goal for the team a crushing defeat, and for one of its stars, a heartbreaking final world cup game on the mats this weekend a Great American comeback celebrating the most decorated womens gymnast in history simone biles returning to competition for the first time in two years after an extended break to focus on her Mental Health and biles looked like she never left dana griffin has more. A great save. Reporter and just overseas a boat crash off of italys famed amalfi coast is now being investigated as a possible manslaughter case after a top american players and managers ejected this man rescued as his boat was sinking off florida, and the emotional reunion with his parents. I gave up hope. I should never give up hope dont give up on the big guy. And a major Supermarket Chain experimenting by going all selfcheckout. Will other stores follow will customers buy it . Those machines do not work announcer this is nbc night
this means the world to me, so well we love you. thank you love you guys. we ll be forever connected. reporter: connected by a teacher/student bond unlike any other. my teacher saved my life jesse kirsch, nbc news, toledo, ohio that is nightly news for this sunday. i m peter alexander. have a good night.
there is good news tonight about a teacher who raised his hand to help a student and in the process changed the boy s life jesse kirsch has his story. reporter: for years, roman mccormick struggled. i constantly was tired. i had low energy. reporter: the 15-year-old was born with a condition known as b.o.r. syndrome, impacting his kidneys i looked forward to seeing him playing soccer every weekend and now saying, i m sorry, dad, i m just too tired, you know, just, it just really broke my heart reporter: it was clear roman needed a new kidney, but after months of waiting, his family couldn t find a donor. so they went public. roman s parents pleading for help. we would do anything for your kids. reporter: they were feeling desperate until late june when they got a surprise phone call not only is there a donor it is me, his geometry teacher. reporter: eddie mccarthy, roman s 9th grade math teacher, heard the family s pleas. i think the guilt