When the pill was released in Australia 50 years ago it signalled a sexual revolution. Or did it? We like to believe we are more sexually liberated than our parents or grandparents, but are we?nnSex: An Unnatural History is factual series exploring the last 50 years of Australia’s sexual landscape. Presenter Julia Zemiro brings her wit, intellect and humour to each episode starting with an exploration of why we started having sex and how we became hardwired to monogamy.