John Palmer uncovers the surprising profundity of the inventor of paradox.
Francis Moorcroft puzzles over the Paradox of Prediction.
The possibility of time travel has always intrigued us, and advances in modern physics seem to have added a scientific credibility to the idea. But one consequence of time travel has generated a number of paradoxes that seem to make it impossible: meeting yourself. Michael LaBossiere tries to unravel some of the difficulties.
Francis Moorcroft puzzles over the Liar Paradox.