The collaborative duo convert their venue into a pretend visa application centre to reflect on crises of global economic migration. At Castlefield Gallery until 27 November 2011 Photograph: PR
Nash's work is dominated by carvings and relocations of great lumps of wood such as King and Queen (above, background) with Husk (foreground). This show also includes an innovative video piece, initiated in 1978, that follows an oak boulder as it wends its way downstream over some 30 years. At Oriel Mostyn until 13 November 2011 Photograph: PR
The latest Unilever Series commission for the Turbine Hall is a piece by the film portraitist. Shown above is a still from Presentation Sisters (2005). A must-see at Tate Modern, SE1, 11 October 2010 to 11 March 2011 Photograph: PR
This show marks the centenaries of three local events: a post-impressionist exhibition at the Bluecoat, the opening of the controversial Liver Building and a transport strike. Admirable protest dominates. At Bluecoat Gallery until 27 November 2011 Photograph: Dave Sinclair
As Frieze brings the world's top galleries to the capital, a citywide art jamboree kicks off, from major museum commissions to pop-up shows. The fair's free sculpture park features big names such as feminist art icon Kiki Smith and Thomas Houseago, whose messy take on macho modernism in works such as Hermaphrodite (2010, pictured) has made him a rising star. At Frieze art fair, Regent's Park, London NW1, 13-16 October 2011 Photograph: Fredrik Nilsen
Artists increasingly reflect on the obscurities of cultural history. Here, Hurth bases her installation on typographer and architect Herbert Bayer's Fundamentals of Exhibition Design, a key 1930s Bauhaus text, and Russian Nobel Laureate Ivan Petrovich Pavlov's 1904 scientific experiment investigating a dog's response to food. At Bloc Projects until 17 October 2011 Photograph: PR
Influential Polish artist Wilhelm Sasnal brings a survey of pale, elusive paintings such as Power Plant in Iran (2010, pictured) to Whitechapel Gallery, London E1, until 1 January 2012 Photograph: PR
The reliably disturbing Marlene Dumas's latest collection of works, Forsaken, takes the crucifixion as its starting point. At Frith Street Gallery, London W1, until 26 November 2011 Photograph: Peter Cox