Five favourite problems inspired by Leonhard Euler, one of the greatest mathematicians of all time.

An insightful look at the climate models that predict our future.

With intelligent machines taking over more and more of our jobs, what does the rise of AI mean for humanity?

The 19th century experienced a geometrical revolution. Find out how the new geometries that were discovered shaped philosophy, science, culture and art.

Can mathematics predict the inevitable consequences of climate change? And more importantly, can it suggest ways to reduce, or even prevent some of these consequences?

Find out how some black holes are bigger on the inside than they are on the outside.

Discover the beauty of surface tension!

Playing with infinity can lead to surprising outcomes – find out how with a big bag of balls and some superpowers.

Find out why leap years exist, why you have to wait 400 years for your birthday pattern to repeat, and why there are so many Fridays falling on a 13th.

Celebrating the 150th anniversary of Maxwell's equations we talk to physicist John Ellis about what they mean for modern technology and our understanding of the Universe.