Lachlan Whatmore puts steam to work,

Jacqui Hayes and Caitlin Howlett review the week in science

- happiness science,

- giant wallabies in Tasmania

- confirmation that contraceptive pills reverse attraction

- vaccination against alcoholic pleasure

Amy Bullen examines the ultimate cheating drug - the placebo,

News by Ian Woolf

- synthetic telepathy

- anti-aging drugs keep your cells clean

- chilli heat not just an illusion

- cannabis and opium to prevent addiction

Presented and produced by Ian Woolf