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So there's nothing testable, there's nothing really testable out there that scientists can use right now to say whether there's life out there or not. Mind you, there's lots of evidence for the potential for life. They found the basic building blocks of life in space. They found them on meteorites, asteroids. They even detected some of them on the surface of Mars now. Even some galactic clouds, they found them there. So in all probability there is life out there. And my suspicion is that there is intelligent life out there beyond what's on this planet. But I think likely the first signs of life will see will probably be on the microbial level. And that's it. Any comments or questions?