Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

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 ...

(via SciShow) There's a rather famous problem in math of probability called the Birthday Paradox. Let's get into how it works, and how creative uses of this hypothetical problem have real-world ...

Ever wondered how many people it takes to share a birthday? Prepare to be amazed! The "birthday paradox" reveals that just 23 people in the same room can create a greater than 50% chance that two of ...

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 ...

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, ...