Joke: Two chemists walk into a bar and the first one says, "I'll have some H₂O."

The second says, "I'll have some water too. Why'd you say 'H₂O'? We aren't at work."

The first chemist excuses himself and weeps in the bathroom.
His assassination plot had failed.

Joke: Knock knock!
Who's there?
The interrupting cow.
The interrupting c-
Mooooo!

Joke: Three elderly ladies are discussing their mental health. The first lady says, "Today I was at the top of the stairs, and I couldn't remember if I had just gone up or was about to go down."

The second lady says, "I was sitting at the edge of my bed and I couldn't remember if I was about to sleep or just woke up."

The final lady says, "My memory is as good as ever, knock on wood." With this she hits the table twice. Suddenly she is startled and looks up, "Who's there?"

Joke: Two men, Tom and Joe, have loved baseball more than anything their entire lives. One day Tom says to Joe, "If you die before me, promise me you'll come back and tell me if there is baseball in Heaven."

Joe agrees and makes Tom promise the same thing. About a week later Tom dies.

One night Joe wakes up to somebody calling his name. Scared, he asks, "Who's there?"

Suddenly Tom appears and says, "Hi Joe. I'm coming here from Heaven. I've got some good news and some bad news. I'll give you the good news first, there is baseball in heaven!"

Joe gets very excited, but then he asks, "What's the bad news?"

Tom looks at him grimly and says, "I looked at the lineup and you're pitching tomorrow."

Joke: Sally has been feeling harassed by one of her coworkers, John. She tells her employer that he has been harassing her and he asks her, "What does he do?"

She says, "He always tells me my hair smells nice."

Her boss replies, "That's not really sexual harassment."

Sally says, "He's three feet tall."

Joke: It is considered a great accomplishment to go down Niagara Falls in a wooden barrel. Chuck Norris can go up Niagara Falls in a cardboard box.