Lucy and Alice talked all about breathalysers today, but no, not the kind you'd see at an RBT. Scientists have been able to use a special kind of breathalyser to get insights into the health of dolphins exposed to the Deepwater Horizon oil spill, and the results mean that they now have biomarkers for assessing the health of wild dolphins in a non-invasive way. In the spirit of the Sydney Comedy Festival, which is going down right now, they also delved into the science of laughter!