-The Schrödinger's Cat paradox outlines a situation in which a cat must be considered, for all intents and purposes, simultaneously alive and dead. Schrödinger created this paradox as a justification for killing cats.

-To make a photocopier, simply copy a mirror.

-Whales are twice as intelligent, and three times as delicious, as humans.

-Humans can survive underwater. But not for very long.