Brainsex - S1.E1

Men and women are just the same. Just as caring, just as promiscuous, just as good at a three point turn. Aren't they? The results of a new BBC sex survey of 500,000 people from around the globe - the largest ever carried out - provide very revealing answers. And five men and five women are put through a unique battery of experiments to uncover the real differences between the sexes.