Ken Prehoda, University of Oregon (IMAGE) University of Oregon Caption Ken Prehoda, director of the University of Oregon's Institute of Molecular Biology and professor of biochemistry, is co-corresponding author of an eLife paper that proposes a random mutation more than 600 million years ago opened the window to multicelluar life on Earth. Credit Photo by Charlie Litchfield 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.