Good Jokes

Joke: Knock knock!
Who's there?
John Smith Alexander Thomas Eisenhower William Joesph Harvey Jr. the third!
...
That's what I thought.

Joke: What kind of tea is sometimes hard to swallow?

Joke: How often can you enjoy a good joke about elements?

Joke: What do you get when you take the derivative of a cow?

Joke: What washes up on really small beaches?