this. martha: we're just starting the day but you know it's bedtime right now for the astronauts aboard endeavor, but the engineers on the ground are keeping busy, while they're sleeping. nasa and general motors, teaming up, building the second generation of humanoid robots, they are designed to work side by side with people. i don't know about that. i think -- i don't think they're going to replace us. capable of highly technical work and hazardous space stations and the robonauts never need sleep. i think they're going to take over, these robots? >> nasa's new budget killed man's space missions so they're going to do a lot more robot mission, they are safer, cheaper and there's a huge influx now that we can't send astronauts into space, so the robots allow them to do more without humans. martha: i think that's sad, but if there's no other way to go, i guess this is the way to go but tell me,