Experimental setup monitoring cane toad breathing (IMAGE) University of Sydney Caption Experimental setup monitoring cane toad breathing in the photonic labs of the University of Sydney Nano Institute. Scientists used a new 'photonic radar' to create high-definition radar to accurately monitor cane toad vital signs. Credit The University of Sydney Usage Restrictions For this story only License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.