Bilateral Thinking Puzzles
Q: A man went to a party and drank some of the punch. He then left
early. Everyone else at the party who drank the punch subsequently died
of poisoning. Why did the man not die?
A: He climbed on a block of ice which had since melted.
This is another thing that seemed funnier a third of the way into
writing it, from
the Surrealist. 19th August 2005.