German artist Hito Steyerl tops contemporary art power list
Film-maker and writer is first female artist named by ArtReview Power 100 as most influential person
Mark Brown
Only Leonardo da Vinci in private hands set to fetch £75m at auction
Salvator Mundi was confirmed as an authentic old master just six years ago, having sold for £45 at auction in 1958
Bigger wine glasses make us drink too much, says researcher
Today’s glasses, 450ml compared with 65ml 300 years ago, encourage consumption, Cambridge scientist tells Hay festival
All fired up: Tate Modern to play host to a working ceramics factory
Visitors can volunteer in factory, featuring eight tonnes of clay, a 30-metre production line and more than 2,000 fired objects
Demons and jumpsuits: Elvis Presley exhibition charts comeback era
O2 show will include more than 40 outfits he wore on stage during period when he struggled with depression and addiction
Selfie as art at the Saatchi: from Rembrandt to a grinning macaque
Exhibition explores the history of the selfie and our changing relationship with this most everyday of art forms