Capsule monitors gas inside gut, allowing wireless diagnosis of upset stomachs

Swallowable gas monitoring capsule. Image supplied by RMIT

With the help of colleagues from Monash's Department of Gastroenterology, Melbourne University and the CSIRO, Professor Kalantar-zadeh, lead researcher based at RMIT, has developed a capsule that reads the gas levels in a person's gut before passing out of the body.
http://www.abc.net.au/news/2015-03-13/capsule-can-monitor-stomach-gas/6313538