Dead Spot (IMAGE) Penn State Caption Tao Wen (right), a postdoctoral scholar in the Earth and Environmental Systems Institute at Penn State, examines a dead vegetation zone on a farm in the Gregs Run watershed, Lycoming County. Credit Josh Woda, Penn State Usage Restrictions non commercial use only 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.