An evening joint lecture between the Ïã¸ÛÁùºÏ²Ê¿ª½±Íø, Central Yorkshire Section and the Ïã¸ÛÁùºÏ²Ê¿ª½±Íø of Biology, Yorkshire Branch. A light buffet reception of sandwiches and drinks will start at 18.00 (free but please register with the organiser).