Every year millions of people contract malaria, which is a blood parasite infection spread by mosquitoes. And part of the reason why the infection spreads so successfully, scientists now know, is because the parasite makes an infected human over-produce certain skin odours that are irresistible to a mosquito. Chris Smith spoke to Ailie Robinson, researcher at the London School of Hygiene and Tropical Medicine and the lead author on the new study that's uncovered how this happens Like this podcast? Please help us by supporting the Naked Scientists