All Paradoxes
Explore 239 interactive paradoxes organized by category.
Mathematical & Statistical Paradoxes
- Potato Paradox
- Simpson's Paradox
- St. Petersburg Paradox
- Braess' Paradox
- Coin Rotation Paradox
- ...and 2 more
Physics Paradoxes
- Fermi Paradox
- Grandfather Paradox
- Olbers' Paradox
- Black Hole Information Paradox
- Archer's Paradox
- ...and 20 more
Social & Behavioral Paradoxes
- Friendship Paradox
- Jevons Paradox
- Waiting Time Paradox
- Sleeping Beauty Paradox
- Unexpected Hanging Paradox
- ...and 17 more
Technology Paradoxes
Scientific Paradoxes
Probability Paradoxes
- Birthday Paradox
- Monty Hall Problem
- Berkson's Paradox
- Bertrand's Box Paradox
- Bertrand's Paradox
- ...and 4 more
Infinity & Sets Paradoxes
Advanced Probability Paradoxes
- Two Envelopes Paradox
- Boy/Girl Paradox
- Ant on a Rubber Rope
- Ladder Paradox
- Tea Leaf Paradox
- ...and 3 more
Identity & Behavior Paradoxes
- Ship of Theseus
- Abilene Paradox
- Stockdale Paradox
- Triangle Dissection Paradox
- Meat Paradox
- ...and 10 more
Economics Paradoxes
- Dollar Auction Paradox
- Paradox of Thrift
- Automation Paradox
- Preparedness Paradox
- Commuting Paradox
- ...and 29 more
Philosophy Paradoxes
Decision Theory Paradoxes
- Newcomb's Paradox
- Parrondo's Paradox
- Ellsberg Paradox
- Region-Beta Paradox
- Arrow's Impossibility Theorem
- ...and 4 more