How Does Deodorant Work?

Redi Tlhabi

Chris Smith

Join Dr Chris to discover why a work out makes you whiffy, how grass can grow in concrete, what diseases birds can give to humans, as well as why humans, but not other animals, need a balanced diet? Plus, news of improved prospects for pancreatic cancer, researchers work out how the brain directs its attention, and evidence that Earth-sized planets might orbit a quarter of Sun-sized stars...