Party dressing rules: leather is out, glitter is in

Update your 2014 Christmas-party look with our seasonal style guide. The mood is grumpy but the sillier your bag the better

The new coat rules for men

It’s the most expensive piece of clothing you’ll buy all year – and you’ll wear it every day for months. So here are the top tips for choosing a coat this winter

Peter Saville: the UK’s most famous graphic designer

He talks about the joy of Factory Records, hating the fashion industry and being sacked by the city of Manchester

Oscar de la Renta: the gowns and the gossip

Whether dressing stars from Sarah Jessica Parker to Amal Alamuddin or first ladies from Jackie Kennedy to Michelle Obama, Oscar de la Renta was both an establishment favourite and a cult hero. The Oscars red carpet wouldn’t be the same without him. Guardian fashion writers celebrate his glittering life in fashion

Are Hermès Birkin handbags putting the ‘stink’ in stinking rich?

In spite of their hefty price tag, some Birkin bags are reportedly being returned to the luxury brand – for smelling of cannabis

How to keep your brain healthy

Could sudoku, drugs and a Mediterranean diet help keep our brains fit? What can the latest neuroscience research tell us?