Where the laws of logic don't apply
Visit Time Traveler's Dilemma to discover how going back in time can be both a blessing and a curse.
Explore Quantum Superposition where the answer is both yes and no at the same time.
Learn about Grandfather's Paradox, where killing your grandfather is both a good and bad idea.
Visit Platypus's Puzzle to discover how a platypus can be both a mammal and a bird.
Or, you know, just go back to Home if this is all too confusing.