How different are men and women?
Claudia Hammond investigates if, and why, the sexes see, hear, smell, feel and taste things differently.
1: Smell the Difference. The science behind the experience of parents Deborah and Matt who have noticed that she always smells the baby's dirty nappy first. And can the smell of a man's pheromones really attract a woman to a man with immunity to different diseases from her? Producer Dymphna Flynn (R)