Do farts carry germs? Well, it depends on whether you are wearing pants.

Hot air?

It all started with an inquiry 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 realized that I didn’t know. But I was determined to find out.”