Narrow Escape (IMAGE) Oregon State University Caption This tiny insect, similar to a "walking stick," abandoned the mushroom it had probably been nibbling on and left its exoskeleton, or skin behind about 50 million years ago to avoid being entombed in this amber fossil. Credit (Photo by George Poinar, Jr., courtesy of Oregon State University) Usage Restrictions None License Licensed 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.