December elections in the UK have traditionally signalled a crisis in politics. Professor Sarah Richardson describes some of the UK's more tumultuous Christmases.
Happy people may be more productive - but can they work together?
Astrophysicists have been working for decades on one of the questions that still captures the imagination - how are planets formed?
Dr Kimberley Wade from the Department of Psychology highlights the difficulties we increasingly face with doctored images, as well as problems this can cause with our own memories.