Here is yet another jewel from one of the
British Medical Journal, sent to us by a reader (thanks, Ben!). It's pretty straightforward.Hot air? “It all started with an enquiry from a nurse,” Dr Karl Kruszelnicki told listeners to his science phone-in show on the Triple J radio station in Brisbane. “She wanted to know whether she was contaminating the operating theatre she worked in by quietly farting in the sterile environment during operations, and I realised that I didn't know. But I was determined to find out.” Dr Kruszelnicki then described the method by which he had established whether human flatus was germ-laden, or merely malodorous. “I contacted Luke Tennent, a microbiologist in Canberra, and together we devised an experiment. He asked a colleague to break wind directly onto two Petri dishes from a distance of 5 centimetres, first fully clothed, then with his trousers ...