Plus advent calendar door #21: Are the constants of nature really constant?

Are the unchanging numbers that define our universe really unchanging?

Plus advent calendar door #20: It's all maths!

Could it be that the Universe is a mathematical structure? Find out more with Max Tegmark.

Plus Advent Calendar Door #19: Flying home with quantum physics

Find out why scientists trying to build quantum computers might do worse than talk to birds.

Plus advent calendar door #18: The Gauss Prize 2018

If you have ever been in an MRI scanner you'll appreciate David Donoho's work, which has revolutionised this imaging technique.

Plus Advent Calendar Door #17: Protecting the nation

The furore around the MMR vaccine and autism has shown that vaccination can be an emotive issue. We talk to an expert about the math used to make sure it's safe.

Plus Advent Calendar Door #14: The Fields medals 2018

We revisit this year's Fields medals, which were awarded in Rio de Janeiro in August.

Plus Advent Calendar Door #16: The puzzle of time

Time is a problem, not just for you and me, but also for philosophers. What exactly is time? Why does it have a direction? And was there a beginning of time? Find out more in this podcast.

Plus advent calendar door #15: Sexual statistics

How many times do we think of it a day? How many times we do it? And with how many people? Find out about the stats of sex with David Spiegelhalter.

Plus Advent Calendar Door #13: Does infinity exist?

We explore infinity, from shock waves to black holes, and from Aristotle's ideas to Cantor's never-ending tower of infinities.

Plus advent calendar door #12: How the velodrome found its form

Find out how maths gave the Olympic cycling venue in London its elegant form.

Plus advent calendar door #11: The story of the Gömböc

It looks like an egg, it wriggles, and it shouldn't really exist: introducing the Gömböc.

Plus advent calendar door #10: Small worlds on the brain

What do the human brain, the Internet and climate change have in common? They're all hugely complex and can only be understood with maths.

  • Want facts and want them fast? Our Maths in a minute series explores key mathematical concepts in just a few words.