was able to launch numerous expeditions. >> i've made 33 dives to the wreck site james cameron didn't stop his research with his film. >> in 1997. he wanted answers to many more of the mysteries of the ship. he wanted to see the interior and he wanted to show that in his film ghosts of the abyss inside titanic some things were perfectly frozen in time, while others had fallen apart. >> 73 years after it sank a team of french and american scientists announced they'd found the titanic two and a half miles down the search for the titanic was part of a secret military mission. >> the expedition that found titanic was really the product of a deal with the u.s. government that was searching for lost nuclear submarines in the 1960s. >> the us lost two nuclear submarines in the north atlantic uss thresher and uss scorpion the navy wanted ballard to document the submarines. it was also going to see if they'd been tampered with. the us had tried to lift a soviet sub off the bottom of the ocean. why shouldn't the soviets try to do the exact same thing? there was obviously nuclear material on tho

james cameron got pulled into this whole titanic mania and did his own exploration and research, and uncovered new evidence. >> there are titanic freaks, right? people who collect items definitely. there. definitely. there's a large number of them. mr. cameron, have you become one? yes, i think so. this is not, then, just another film you directed? >> no, i'm a bona fide rivet counter now. i've been sucked into the vortex of fascination with titanic titanic's sinking and her entire story is shrouded in incredible mysteries. >> and that is partly why we keep coming back. we always want to know more. we always want to find those answers night that's good for the soul. >> join anderson cooper and laura coates for cnn heroes, an all star tribute. >> thank you guys. >> meet the honorees and celebrate their life changing achievements. >> they're ordinary people doing extraordinary things. >> then find out who will be named the cnn hero of the year. >> it's really incredible. >> plus don't miss a special tribute to this year's legacy award honoree, michael j. fox cnn heroes, an all star tri

james cameron came on as filming avatar and said the same thing and for these big budget blockbusterfice and in the theater whether this is now going to be a golden age in terms of profitability? >> i do think so. but i'll put an asterisk on it. every new innovation you think is going to save money will create more content and opportunities but hollywood always finds new ways to spend money. on the other one i'll leave that out there. >> like when you get a raise the life stays the same and you spend more. >> like the government. >> we can't wait for this weekend. good to see you. >> thank you. >> our live market coverage continues. vere weekend, everybody. answers, it's good to have help. because the right information, at the right time, may make all the difference. at humana, we know that's especially true when you're looking for a medicare supplement insurance plan. that's why we're offering "seven things every medicare supplement should have". it's your free, just for calling the number on your screen. and when you call, a knowledgeable, licensed agent-producer can answer any que