(Photograph) - Sweet and sticky: Wendy Jacob's Squeeze Chaise Longue, which, when inflated by a second person, will gently clasp the reclining art-lover. It faces Marmalade Wall, a 48ft-high work by Montreal artist Naomi London that was built of about 100 family-size jars of marmalade. Both are part of Concordia University's 'Vital Signs' exhibition