if you're watching carl seguin, you want to be a scientist. >> carl seguin was seen as such a gifted communicator that in 1977, nasa asked him to compile the golden record, a message from mankind carried on the voinler probes that could be understood by any intelligent life that came across it. >> the first interstellar spacecraft of mankind. we thought it would be a nice idea to have a kind of cosmic greeting card on it in the remote contingency that it were at some future time to be intercepted by some advanced civilization. >> he was a role model, an opportunity to emulate somebody, so much that i learned in my life and done in my life about communication, took wisdom with what carl seguin was able to accomplish by being very open and curious about what's happening in the universe around us. >> dr. oz's approach to medical science may be less high brow than carl seguin's. >> how are you? >> hi, dr. oz. >> but his ambition is the same -- to inform and educate. >> so please tell us if bowel movements of that color are a major concern. >> that doesn't stop some from poking fun at the