Seeing the past through pollen (IMAGE) Frontiers Caption An archaeologist takes samples of pollen found in soil to understand the changing vegetation of a site: a companion technique to the authors' analysis of hazelnut shells. Credit Nils Forshed. Usage Restrictions This image is owned and provided by Dr Per Lagerås, shared with his kind permission. The illustration is by artist Nils Forshed and must be credited to him. License Original 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.