 Wow. Who's that? That is the actress in Barbie. Oh, yeah, okay. So now we know that Barbie... That's why I don't know who she is. Now we know why Barbie is anatomically correct. Yes, that's why the lady's a tramp. As plans emerge for more manned missions to the moon, NASA now is having a difficult problem in space. How to dispose of astronauts' poop on the lunar surface.