This quality of incredibility is particularly true of paradoxes in probability—a field of mathematics especially rich in paradoxes. Consider the paradox of birthdays. What would you estimate to ...

"Try as you might to create a paradox, the events will always adjust themselves, to avoid any inconsistency," said Costa. "The range of mathematical processes we discovered show that time travel ...

Named for the physicists who described the paradox in 1989, GHZ-type paradoxes show that when particles can only be ...