Granta's spring issue, guest-edited by award-winning writer Rana Dasgupta, explores membranes of the tissue, self, collective, nation, species and cosmos. It features new poetry by Andrew McMillan, Tishani Doshi and Ida B,rjel, a new translation of Vladimir Mayakovsky by Ilya Kaminsky and Katie Farris, as well as photography from Anita Khemka, Arturo Soto and M,nica de la Torre. Granta 151: Membranes showcases cutting-edge fiction from Lydia Davis, Fatin Abbas, Steven Heighton, J. Robert Lennon, Mahreen Sohail and Chloe Wilson, plus a host of thought-provoking essays: - Emanuele Coccia on birth, metamorphosis and the very strange miracle of life- Mark Doty on gentrification and homelessness in New York City- Anouchka Grose on infidelity and the idea of the unwanted third- Ruchir Joshi on all those kids his son once was- Kapka Kassabova on Lake Ohrid- Anita Roy on the great crested newt- Esther Woolfson on the relationship between humans and animalsPlus: Eyal Weizman in conversation with Rana Dasgupta, on contemporary architectural strategies for repelling and dividing people.