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Knowledge Centre

Christmas decoration

Five times we've spent Christmas at the polls

December elections in the UK have traditionally signalled a crisis in politics. Professor Sarah Richardson describes some of the UK's more tumultuous Christmases.

Cooperation at work

Are happy people more cooperative?

Happy people may be more productive - but can they work together?

Protoplanetary discs

What do we know about the birth of planets?

Astrophysicists have been working for decades on one of the questions that still captures the imagination - how are planets formed?