The practice of overbooking has made uncomfortable headlines lately. But how do airlines decide how many tickets to sell for a flight? Here's the maths.

When you shuffle a deck of cards chances are the order of cards you produced has never been produced before! Find out why and learn a card trick too!

A new study suggests that monkeys have a basic grasp of probabilities.

Why the expected outcome of rolling a die is 3.5.

Find out how scientists, from physicists to geneticists, measure their confidence in their results.

What do physicists at CERN mean when they talk about "sigma levels"?

If you are a flower then April is allegedly the cruellest month, but if you are a student of any sort then I'm sure you would have picked June.

In the TV game show Two Tribes teams can have unequal sizes. Is that fair?

The company 23andMe made headlines by launching its DNA testing service in the UK. But how are the risks of developing a disease calculated?

Bob Wald tells us why probabilities are important in cosmology.

One thing that makes TV game shows fun to watch is that there's usually an element of luck involved. But how (un)lucky is (un)lucky? We look at the probabilities of two popular examples.

David Sloan calculates how likely it is that our Universe exists. He explains to us how, and why the answer can help shape our theories of physics.