In this week's not-to-be-sniffed-at infectious episode of the naked scientists, we find out the facts of flu, including how the virus hijacks your cells, how new strains of the virus emerge to trigger epidemics and pandemics, and how scientists can combat the threat with vaccines. Also under the microscope is a new technique to identify viruses within just 2 hours, providing patients with a fast track to the right treatment! Also, how bone marrow transplants can overcome organ rejection, how to stop a terrorist with a mobile phone, and the new material 30 times blacker than our current... Like this podcast? Please help us by supporting the Naked Scientists)