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?

John Galliano’s return is more than a matter of style. Fashion world, wake up

Fashion should reflect real life. It needs to confront tricky issues, such as the return of the disgraced designer as creative director of Margiela, rather than looking away

The Turner prize show: voices, videos and erotic tickling sticks

Has the Turner prize lost its power to shock? No – thanks to James Richards’s sphincter shots. But it’s Tris Vonna-Michell’s spellbinding spoken-word travelogues that deserve to win

Beauty: new hybrid foundations

‘Giorgio Armani’s Maestro proved such a game-changer that everyone ran off to try to better the original’

Christian Dior’s invisible runway at the Louvre is a hit at Paris fashion week

Raf Simons moves into Louis Vuitton’s old stomping ground as he matches history with minimalism – and it’s a hit with buyers

Phoebe Philo unveils ‘warm and immensely likeable’ Céline collection

Creative director reveals Kate Bush inspiration along with next season’s must-have flats at Paris fashion week show