We speak to galleries and artists that have responded to this Tate factor

600 pieces of Dalí’s Universe on display at County Hall

Piazza San Marco hosts the first Italian exhibition dedicated to the artist since his death

Exhibition shows at Dixon Gallery, Memphis, 9 July-24 September

Despite the opening of Tate Modern, which lured away many buyers, the fair was generally a success

Moore was once the friend and agent of the artist

Lisson Gallery

This new curatorial direction suggests museum just a plaything for the staff

Alan Borg's contract extended until next year

It is fifty years since this collector and essentially American philanthropist was turned on to art while at Harvard. He has been an integral part of the art establishment in Chicago for decades

Part of the design team at Wolff Olins, he sums up the Tate's branding redesign

With £6m a year to raise, the budget of Tate Modern will require constant effort

Clare Henry saw the latest high-tech astronomical display at in New York and says scientists have taken art to new heights

Architects Herzog & de Meuron play subtle tricks with lighting and glass boxes

The exhibition will visit Hungary, Greece, Russia and Estonia this year and Slovakia, Slovenia, Latvia and Croatia in 2001

Part owned by Bernard Arnault’s luxury group, this auction price database has huge expansion plans

Artist allegedly exploited and heir denied his inheritance

Owner of Christie's bids high and wins big

Fake invitations cause chaos, and the culprit remains on the lam

The Microsoft co-founder speaks about the Italian artist's influence on Beuys ahead of an exhibition in Berlin

Very little support for the art scene from the tax system and, as in Germany, an outdated distinction between “original” works of art, subject to 9% VAT, and multiples (prints, digital works, photography etc), subject to 19%

Subconscious probings at the Lisson and Fa1, White Cube takes on a disquieting new talent and there are spots before the eyes at Victoria Miro

Works from the Southeast Asian countries vie with the more traditional Chinese and Japanese selections

Archaeologists descended upon three sites in Southern Iraq rumoured to contain antiquities

The court was convinced by differences in the artists' technique

The top twenty has Cézanne at the top with a new record from Sotheby's

Unevenness comes to light, as survey finds that almost 50% of the UK total was directed towards London

These works embodying the egalitarian nature of multiples have ironically been hidden from view until now