Dr Chris Smith and the Naked Scientist team present the latest science news, analysis and breakthroughs.

In this week's episode...Will a new vaccine help to turn the tide against malaria? As Japan releases radioactive water into the sea from Fukushima, should we be worried? What and who have won Nobel prizes this year? And why a lion’s roar isn’t the most feared sound on the South African Savanna.

Plus in our Titans of Science series, we talk to Lord Robert Winston, the pioneer of IVF treatment.

Get the podcast from the BBC Sounds app.