Bilateral Thinking Puzzles

Q: A man is lying dead in a field. Next to him there is an unopened package. There is no other creature in the field. How did he die?

A: The man had visited his wife in hospital. She was on a life-support machine. As he was walking down the stairs all the lights went out.

Another

This is another thing that seemed funnier a third of the way into writing it, from the Surrealist. 19th August 2005.