An engineer and a physicist are in a hot-air balloon. After a few hours they lose track of where they are and descend to get directions. They yell to a jogger, "Hey, can you tell us where we're at?" After a few moments the jogger responds, "You're in a hot-air balloon." The engineer says, "You must be a mathematician." The jogger, shocked, responds, "yeah, how did you know I was a mathematician?" "Because, it took you far too long to come up with your answer, it was 100% correct, and it was completely useless."

First woman in space: "Houston, we have a problem." What? "Never mind." What's the problem? "Nothing." Please tell us. "I'm fine."

A blonde was playing Trivial Pursuit one night. It was her turn. She rolled the dice and she landed on "Science & Nature." Her question was, "If you are in a vacuum and someone calls your name, can you hear it?" She thought for a time and then asked, "Is it on or off?"

Chuck Norris has proven Newton's third law of physics, there is no force equal to a Chuck Norris Roundhouse Kick.

Miss Jones had been giving her second-grade students a lesson on science. She had explained about magnets and showed how they would pick up nails and other bits of iron. Now it was question time, and she asked, “My name begins with the letter ‘M’ and I pick up things. What am I?” A little boy on the front row proudly said, “You’re a mother!”