Sarah Boulton has an an exhibition and happening comprising two intangible artworks. One is a prediction and the other, a scent. It will take place at Mason's Yard, 9 Mason's Yard, St James's, London SW1Y 6DB on Saturday 15 December, 6 - 8pm. There is a performance at 6.30pm. RSVP 9masonsyard@gmail.com.