Even though we all crack a turd whistle once in a while, it doesn't mean we're not ashamed of the noises and smells that erupt from our bums, especially if it happens in public. And according to research, women hold that shame more deeply and are judged more harshly for their eruptions than men.  Yumi Stynes sniffs out how we can disperse the cloud of shame around women and farting.     Featured in this episode:   Professor Clare Collins, Laureate Professor in Nutrition and Dietetics at the University of Newcastle  Dr Kirsten Bell, Professor of Social Anthropology, University of Roehampton    Additional production: Kelly Ung & Yimeng Hu