We all get excited when we meet someone who shares the same birthday as us. It feels like you just met a kindred spirit. It’s pretty uncommon to randomly run across someone who was born on the same ...

Here's a fun brain teaser: How large does a random group of people have to be for there to be a 50% chance that at least two of the people will share a birthday? The answer is 23, which surprises many ...

How many people need to be in a room before there's a greater probability than chance that two of them share a birthday? Numberphile approaches the famous birthday paradox without a computer.

Kevin Lieber of Vsauce2 explores why the famous birthday paradox defies common mathematical intuition. Air Force lieutenant colonel, wife barely fed 9-year-old living in closet, nicknamed her 'Jingle ...

The birthday paradox shows a 50% chance of shared birthdays in a group of 23, revealing how human intuition often fails. Americans are rushing to claim citizenship in tiny European country ...

The birthday paradox, a classic illustration used in probability theory, states the probability that in a set of randomly chosen people, a pair will have the same birthday. The magic number is 23, ...

The German defender Philipp Lahm and the Portuguese midfield star Maniche were both born on November 11 -- and they were both playing in the game for the third place at the World Cup 2006. Anyway, in ...

How the Birthday Paradox can be used to explain a remarkable concurrence of events or circumstances without apparent causal connection. Produced by Sara Silverstein. Follow BI Video: On Facebook More ...

How the Birthday Paradox can be used to explain a remarkable concurrence of events or circumstances without apparent causal connection. Produced by Sara Silverstein. Follow BI Video: On Facebook More ...