From Kinga Bartis’s quietly captivating paintings to Madeleine Andersson’s nauseating footage of human brains, this year’s participants in Bergen select their favourite recent exhibitions
From Nina Canell's seven tonnes of mollusc shells at Berlinische Galerie to a leftist-philanthropic flower show at Isabella Bortolozzi, Claire Koron Elat previews the essential exhibitions opening in the German capital