Nature is Fuel for the Soul (IMAGE) University of Rochester Caption Being outside in nature for just 20 minutes in a day is enough to significantly boost vitality levels, according to new University of Rochester psychology research. Credit University of Rochester 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.