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

This week: A new rapid way to tell heart failure from a chest infection - just with a sample of breath. How the perseverance rover is getting on looking for life on Mars. And the imperceptible sounds in music that make people want to dance.

Plus... we’re putting TB - tuberculosis - under the microscope to hear why as many as one person in 3 are still being infected by a disease that’s been with us for thousands of years.