Yellow-Legged Frog (image) American Chemical Society Caption The skin of certain frogs, including this foothill yellow-legged frog, contains secretions that may lead to new antibiotics to fight infections that shrug off the effects of existing antibiotics. Credit Pierre Fidenci Usage Restrictions Original work: http://en.wikipedia.org/wiki/File:Rana_boylii02.jpg. Image available under Creative Commons Attribution license: http://creativecommons.org/licenses/by-sa/2.5/. 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.