A potential breakthrough in cancer treatment; A newly discovered South African human ancestor; Discovering life at billionths of a metre.

How consumers interpet information about animal welfare; The shortcomings of fashionable incandescent light globes; More on Cane toads and how to stop them.

We ask British scientist Maggie Aderin-Pocock why she loves space, and we find out how to catch stardust using aerogel, aka solid smoke.

We round-up National Science Week events from around the country, look at the theme of the science of light, and ask will there ever be a cure for cancer?

We find out how some carnivorous pitcher plants give home to ants and bats, speak to a researcher about why bandicoots have more diverse forelimbs than other marsupials, and look at the linguistics of taxonomy with some funny species names, although they're not all funny-funny.

We talk to physics student Cleo Loi, who discovered giant plasma tubes in the Earth's magnetosphere, and we scratch around the evolution of both body lice and the bacterium that caused the Black Death.

All about the element mercury, and how sun exposure is a risk for skin cancer, despite what you may have read on the internet.