When NASA first started sending up astronauts, they quickly discovered that ballpoint pens would not work in zero gravity. To combat the problem, NASA scientists spent a decade and $12 billion to develop a pen that writes in zero gravity, upside down, underwater, on almost any surface including glass and at temperatures ranging from below freezing to 300C. The Russians used a pencil.###A man goes to a psychiatrist and says, ‘Doc, you gotta help me. I’ve been having the strangest dreams. Last night I dreamed I was a teepee, and the night before I dreamed I was a wigwam. What do you think it means?’ The doctor pondered a moment and replied, ‘Well, it sounds like you’re two tents.’###Old lady knocks down a cat as she drives along the main street a police man comes along as she drives off. He calls’ hey you can’t leave that lying there. She calls back that’s not a lion it’s a cat.