Hanne Darboven

The artist’s ambiguous sartorial ensembles are a reflection of her artistic practice

At Tabakalera, San Sebastián, 24 artists reflect on the algorithms that rule the world

Sprüth Magers, Los Angeles, USA

Rebar snakes, Pre-Raphaelite sci-fi and rotating hats: the picks of the recently opened shows in the city

The pick of the shows opening this week as part of Berlin Gallery Weekend

Various venues, Kassel, Germany