Joke: Why did the chemist carry solid helium everywhere he went?

Joke: Knock knock!
Who's there?
Mike!
Mike who?
Mike Robe, I'm very small.

Joke: Are you dry ice? Because you are sublime.

Joke: Why did the rhinocerous cross the road?

Joke: You mama so fat, she needs four watches. One for each timezone!

Joke: Yo mama so ugly, when she robs a bank they give her a ski mask.