Path in the woods (IMAGE) University of Gothenburg Caption Pathways lead us forward as we walk along them and also take us back in history. These narrow thoroughfares are found the world over and are as old as humankind itself. Credit Lars Johansson Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. License CC BY-NC 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.