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.

Does reality arise from information? What does this even mean? Anton Zeilinger explains the impact of John Wheeler's radical idea.

The fuzziness of the quantum realm could arise from mathematical restrictions on what can ever be known.

A new framework for the laws underlying reality could explain why nature obeys quantum rules, the origin of time’s arrow, and the power of quantum computing.

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.

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

In The Neverending Story a little boy named Bastian discovers that there's something extraordinary about the book he's smuggled into his backpack: it changes as he reads it. The act of reading "The Neverending Story" Bastian finds, is simultaneously the act of writing it. Could our universe be in a similar loop?

We continue our look at Ada Lovelace's contribution to computer science.