Joke: Knock knock!
Who's there?
Boo!
Boo who?
Don't cry, it's just a joke!

Joke: Why is chemistry so complex?

Joke: Girlfriend: What are you doing?
Mathematician: Just wrestling with these unknowns in bed.
Girlfriend: What?!
Mathematician: Yeah. Just a minute ago I was working out some models.
*Hangs up*
Mathematician: Oh you thought... Hello?

Joke: A man walks into a bar with some jumper cables. The bartender looks at him and says, "You can get something to drink but don't try to start anything."

Joke: A businessman who recently acquired a latex factory in Mexico tells his friends of the unsanitary conditions:

"The workers put their hands into the melted latex then cool them in a vat of water. Once they're done they take them off and throw them into the finished pile."

The businessman's friends are disgusted and tell him he should do something about it.

"If you didn't like how they made the gloves, you definitely won't like how they make condoms!"

Joke: Knock knock!
Who's there?
Grab
Grab who?
Not me!