How can it be that our wonderfully complex world is governed by a few comparatively simple laws of nature? Find out with this collection of articles and videos.
We all know what symmetry is. But why does it play such a central role in modern physics?
Science is the study of events: things that happen in the world around us. But what exactly is an event? The answer is harder than you might think.
According to Einstein, the past, present and future have exactly the same character - so why do we feel that there is a particular moment we call "now"? The physicist George Ellis looks for an answer in the curious laws of quantum mechanics.