Tesla museum crowdfunding project closes in on $200,000

Contributors who donate $125 will be given an engraved brick at museum site in Long Island

The Biennale des Antiquaires at Harrods

The splendour of the fine jewellery and art fair, Biennale des Antiquaires, comes to Harrods in an exclusive recreation of the legendary annual exhibition at the Grand Palais in Paris. Bringing together nine of the official Biennale brands within the Fine Jewellery department – Dior, Bulgari, Boucheron, Chaumet, Piaget, Graff, Cartier, Van Cleef & Arpels, and … Read more

Ai Weiwei, Modern Toss, The Turner Prize: this week’s new exhibitions

From Ai Weiwei’s show at Blenheim Palace to The Turner Prize in London, Skye Sherwin and Robert Clark find out what’s happening in art around the country

What is art for? Alain de Botton’s animated guide – video

In this exclusive video for the Guardian, philosopher Alain de Botton gives his top five reasons why art is such a vital force for humanity. Are we wrong to like pretty pictures? Why is some art painful to look at? Can art heal your feelings of urban alienation? Relax, watch and find out

Hedi Slimane: heart and soul

Creative director of Saint Laurent, Hedi Slimane is an indie-rock obsessive and his fascination with music’s wild side inspires his designs and his catwalk shows. Alex Needham takes a first look at a new exhibition of the designer’s gritty and atmospheric photographs