Seaside shenanigans, Newcastle grit and dinosaurs of the deep – the week in art

Frolics … detail of The Restless Image: a discrepancy between the seen position and the felt position, 1998, by Rose Finn-Kelcey, showing in The Air of Ideas at 301/2 High Street, Rye. Photograph: Angus Mill/Courtesy of the artist and Kate MacGarry, London

Exhibition of the week

The Air of Ideas
Artists represented by Kate MacGarry Gallery escape to an 18th-century house in East Sussex for this quirky summer group show, including Lisa Milroy, Marcus Coates and Francis Upritchard.
• 30¹/₂ High Street, Rye, until 31 August