## Packages

Young researchers at this year's Heidelberg Laureate Forum tell us about their work.

Gravitational waves have opened a new window on the Universe. Find out what they are, how they were detected, and what they promise to reveal.

Our digital lives rely on distributed computer systems, such as the internet, but understanding the order of events in such systems is not always straightforward.

To celebrate the anniversary of its proof, this collection of articles and videos explores one of the most beguiling theorems in maths.

*Women of Mathematics*photo exhibition.

Imagine your weight depended on the colour of your underwear! Something quite similar may be happening when you are measuring things in quantum physics. Find out more here...

Bees do it, rabbits do it, and luckily, we humans can do it too: explore the famous Fibonacci sequence!

In this busy time why not put your feet up and learn some maths in just a few minutes with this year's *Plus* advent calendar. Now what's behind today's door?