initially his boss, brian armstrong, led it slide. >> i chalked it up to, hey, he was taking the dayff, unscheduled day off. and i didn't think too much about it. then the following day, which was a wednesday, again scheduled to come in. no call, no show. then i got worried. >> reporter: word spread and soon eric's sisters and the rest of their close-knit family were trying to find him. >> no one had heard from him. >> reporter: now you're really worried. >> i'm really worried. >> reporter: cynthia took a deep breath and called 911. police were dispatched to check out eric's apartment in silver spring, maryland. his family raced to meet them. eric somuah, a man about town who lived life at full throttle, had seemingly fallen off the map. what had happened to him? >> when we come back, an unanswered knock and lots of questions. >> we were all in shock. we were just shocked. >> i said, there's no way. there's no way. one laugh, and hello sensitive bladder. ring a bell? then you have to try always discreet. i didn't think protection this thin could work. but the super absorbent core tur

armstrong became the first person to walk on the moon. larry: back on earth, nasa has its site look like on mars. brian van de graaff is live where nasa showed off the mars rover today. >> we will talk to the guy that put this together and learn about it and why it will help the students. this darren from the visitor complex. >> yes, sir. brian: a prototype that you put together that is for kids and you are targeting fifth grade. why fifth grade? >> that is the mars generation. that is what we want to target. we launch in mars this year and we are excited about that. sends out a free ticket to every fifth grader in the nation to downlad it at kennedyspacecenter.com/summero fmars and get a free ticket to come out here. what we did to complement it is build concept rover. kids can come out and see it and look at it and hopefully say i want to drive something like that. in space. rover complex. the forge alongs and look around. but there is a component here that is a laboratory in the back. >> something we did different is the rover is a scout vehicle. this a rolling laboratory. what we want to do is say