Aaron asks me tonight if there are really aliens out there. Ben chimed in and said it could be possible. I agreed. Really. "It COULD be possible," I said, "although we really don't have a way to determine it for a fact." My ever-thinking younger prodigy then asks me, "but aliens are made of slob....how can something be made of slob?"
So I explained that the aliens we see in movies are made up versions of what other people think they look like, but no one knows for sure.