Professor Tim Birkhead explores sexual selection in the animal world. Tim Birkhead is Professor of Behavioural Ecology at the University of Sheffield. An award-winning teacher and author, Tim has inspired generations of research scientists and wildlife experts.

Fertility expert Dr Allan Pacey presents the incredible truth about this amazing cell. Dr Allan Pacey is Head of Andrology at Sheffield Teaching Hospitals. He also directs a busy clinical laboratory, a sperm bank and a masters course in science communication.

Pervasive computing guru Adrian David Cheok looks towards a future where humans, robots and other species interact via technology. Adrian David Cheok is Professor of Pervasive Computing at City University London and a Fellow of the Royal Society of Arts. His research interests include mixed...